Top mobile app development companies for real estate (July 2026 List)

Most real estate app development shortlists conflate two different problems. The first is finding a vendor who can build an app. The second — and significantly harder — is finding a vendor who understands how property data actually works: MLS feeds, IDX licensing, geolocation layers, offline property detail access, and the role hierarchy between buyers, agents, brokers, and property managers. A vendor who can build a generic mobile app but has never integrated a live RESO data feed will cause expensive scope changes after the contract is signed. This list applies that filter before a single company is evaluated on portfolio or pricing.

Eight companies made this list: Empat, RaftLabs, Atta Systems, SolveIt, AppMakers USA, Camber – The App Agency, Emizen Tech, and Intellectsoft. RaftLabs is included because it builds real estate apps and property management platforms from design through production, with the data model and integration architecture defined before build begins. We evaluate every company on the same criteria.

How we evaluated this list

No company paid for placement on this list.

1. Empat

Empat is a San Francisco-based mobile app development firm with a 5.0/5 rating across 145 Clutch reviews — one of the most consistently rated firms at their price point for iOS and Android delivery. Their real estate portfolio reflects direct experience building property-facing apps: listing search interfaces, map-based property exploration, and iOS and Android applications with the kind of photo-forward UI that drives real estate app engagement. The review depth and rating combination at the $25-$49/hr tier is difficult to match in this category.

What distinguishes Empat at the premium end of the mid-range tier is their delivery methodology. Clients cite 30% acceleration in delivery timelines compared to prior vendors — a result that reflects structured sprint planning and embedded team integration rather than simply faster individual contributors. For real estate companies that have had prior app development projects stall at the MLS integration phase, Empat's record of on-time delivery at complex integrations carries meaningful weight.

Their model is built around seamless team integration: they embed with client teams rather than operating as an isolated vendor. For real estate businesses with an existing tech team that needs to extend capacity for an app build, this structure works well. For companies without internal technical leadership, the engagement requires a capable product owner on the client side to direct the embedded team effectively. The review record suggests clients who bring that ownership see the 30% delivery advantage.

Notable work: Empat has shipped iOS and Android applications for real estate clients requiring property browsing, search filtering, and agent-facing tools. Their delivery track record across 145 verified Clutch reviews at a 5.0 average places them among the most consistently rated firms in this category at the mid-range price tier.

Pricing signal: $25-$49/hr. Minimum project $10,000. Typical real estate app engagements run $30,000 to $100,000 depending on integration complexity and the number of user roles. A property search app with MLS integration and map layers falls in the $50,000 to $80,000 range at their rate.

What to watch: Empat's team integration model is a strength when the client has internal technical direction. Without a capable product owner managing requirements on the client side, the embedded model can drift on scope. Define the data model and user roles before the engagement starts.

• Best for: Real estate companies with internal technical leadership that need an embedded iOS and Android development team at a mid-range rate with a verified delivery record

• Specialization: iOS and Android native development, property listing apps, agent-facing mobile tools

• Pricing: $25-$49/hr, minimum project $10,000

• Clutch rating: 5.0/5 (145 reviews)

2. RaftLabs

RaftLabs builds custom real estate apps and property management platforms for mid-market businesses — the agencies, PropTech companies, and property operators that need a production-ready app without the scope drift that comes from managing separate design and engineering vendors. Their model starts with structured scoping: before any design or code is written, RaftLabs maps the property data model, user role hierarchy, integration requirements, and the full feature set that will and will not be in the first release. That up-front architecture work is what prevents the budget overruns that hit most first-time real estate app builds.

Their design and engineering team work in the same room from day one. App screens are designed with knowledge of the data structures they will consume — which means the production app behaves the way the prototype demonstrated, without the gap that appears when a designer hands off mockups to an engineering team who then re-interprets every edge case. For a real estate app where property search filtering, map clustering behavior, and listing detail layouts are all interconnected, that integration matters more than it does for a simpler content-delivery application.

Production work for clients includes Vodafone, T-Mobile, Cisco, and Wyndham Hotels — enterprise-scale clients with complex integration requirements and non-trivial data architectures. The same rigor applied to those platforms transfers directly to real estate apps where MLS feeds, geolocation services, and push notification systems need to work reliably across a diverse set of iOS and Android device configurations. Their hospitality platform work — serving 80+ properties with digital check-in, room controls, and service request flows — demonstrates the kind of property-facing data architecture that translates directly to real estate app builds.

Notable work: RaftLabs has designed and built property management platforms, hospitality booking apps, and enterprise mobile tools requiring real-time data integrations, role-based access control, and multi-tenant architectures. A hospitality management platform serving 80+ properties with digital check-in, room controls, and service request workflows reflects the same property data architecture challenges that drive real estate app complexity.

Pricing signal: $29-$49/hr. Fixed-price engagements. A custom real estate app — property search, map integration, saved searches, agent dashboard, and push notifications — typically runs $50,000 to $120,000 depending on MLS integration complexity and the number of user roles. A full property marketplace with transaction workflows adds $80,000 to $200,000. Scoping takes two to four weeks and produces a fixed-price proposal before any commitment to design or development.

What to watch: RaftLabs is a 60-person firm. Real estate marketplace builds requiring parallel development workstreams with 25+ concurrent team members, or enterprise programs spanning multiple geographic markets simultaneously, can exceed their optimal team configuration. What they do well: end-to-end real estate app design and engineering for established businesses, defined scope, shipped on a fixed timeline with outcomes agreed upfront.

• Best for: Mid-market real estate companies ($5M-$200M revenue) that need a custom property app designed and built by one accountable team at a fixed price

• Specialization: Custom real estate app development, property management platforms, cross-platform iOS and Android, data model architecture

• Pricing: $29-$49/hr, fixed-price from $50K

• Clutch rating: 4.9/5 (50+ reviews)

See RaftLabs mobile app development services

3. Atta Systems

Atta Systems is a Bucharest-based mobile and web development firm with a 5.0/5 rating across 36 Clutch reviews. Founded with a focus on iOS and Android development, their real estate portfolio reflects experience building property-facing applications for clients in the European and US markets. Clients consistently cite high-quality apps delivered on time and responsive communication — attributes that matter more on real estate app builds than on generic mobile projects, where integration delays with third-party data providers create constant coordination demands.

Their approach to real estate app development reflects a structured delivery process: they run architecture reviews before build starts and maintain explicit integration documentation for external data feeds. For real estate clients who need IDX or property data integration and want a vendor who has navigated those requirements before, Atta Systems' track record is backed by verifiable Clutch references. The 5.0 rating across 36 reviews reflects consistent output rather than a small sample of favorable engagements.

The Bucharest base provides a pricing advantage over Western European and US firms at comparable delivery quality. For companies in the US or UK building real estate apps with a defined specification, the time zone overlap with Eastern European teams is manageable — morning US hours align with late-day Romania — and the rate advantage is significant, typically 40-60% lower than a comparable US firm.

Notable work: Atta Systems has delivered iOS and Android applications for real estate clients requiring property listing functionality, agent tools, and integration with third-party data systems. Their 5.0 rating across 36 verified reviews at a $50-$99/hr rate is among the stronger verified records in the Eastern European tier for this category.

Pricing signal: $50-$99/hr. Minimum project $25,000. A mid-range real estate app with property search, map integration, saved searches, and an agent dashboard typically runs $40,000 to $90,000 at their rate. Time zone coordination adds approximately one business day to feedback cycles for clients on the US West Coast.

What to watch: Atta Systems operates best on projects with a clearly defined specification. Open-ended real estate product discovery or builds where the feature set is still being shaped perform better with a more consulting-oriented firm during the definition phase. Arrive with a specified scope and Atta Systems delivers it efficiently.

• Best for: US and European companies with a defined real estate app specification that need iOS and Android delivery at mid-range rates from an Eastern European firm with a verified track record

• Specialization: iOS and Android development, real estate solutions, property listing apps, European market delivery

• Pricing: $50-$99/hr, minimum project $25,000

• Clutch rating: 5.0/5 (36 reviews)

4. SolveIt

SolveIt is a Warsaw-based cross-platform development firm with a 5.0/5 rating across 51 Clutch reviews. Their specialty is Flutter — the cross-platform framework that allows a single codebase to run natively on iOS and Android — and their real estate portfolio reflects several property-facing applications built on the Flutter stack. The landmark client reference is a UI/UX redesign completed in four weeks instead of the expected two months — a delivery standard that reflects efficient sprint management and a methodology calibrated to real estate's time-to-market pressure.

Flutter is an increasingly strong choice for real estate apps. The framework's performance on map rendering, photo gallery loading, and animated search filter UI is production-grade on modern devices. SolveIt's specialization in Flutter means they have already worked through the real estate-specific technical challenges on that stack — MLS data feed consumption, geolocation clustering, and offline caching for property detail pages — rather than working them out during a client engagement. That prior investment is visible in delivery timelines that consistently beat expectations.

Their Warsaw base gives US and UK clients a favorable time zone window in the morning, and their rate card sits in a competitive range that delivers quality above what the price suggests. For companies that have already decided on a cross-platform approach and want a specialist in that stack with a real estate track record, SolveIt is one of the more distinctive choices on this list.

Notable work: SolveIt has built cross-platform real estate applications using Flutter, with documented delivery timelines significantly below client expectations. Their 51 Clutch reviews at 5.0 across engagements in real estate and adjacent sectors reflect consistent output quality and sprint-level delivery discipline.

Pricing signal: $25-$49/hr. Minimum project $10,000. A Flutter-based real estate app with property search, map layers, and an agent dashboard typically runs $30,000 to $80,000 at their rate. The single-codebase Flutter approach reduces total development cost by 30-40% compared to separate iOS and Android native builds for the same feature set.

What to watch: SolveIt's strength is cross-platform delivery. For companies with a strong preference for native iOS or Android development — particularly if the app requires deep device-specific feature access beyond what Flutter exposes — their native development capability is less differentiated than their cross-platform track record.

• Best for: Companies building real estate apps on a defined budget that want the cost efficiency of cross-platform Flutter development with a specialist team and a verified delivery record

• Specialization: Flutter and cross-platform development, real estate app delivery, rapid UI/UX implementation

• Pricing: $25-$49/hr, minimum project $10,000

• Clutch rating: 5.0/5 (51 reviews)

5. AppMakers USA

AppMakers USA is a Los Angeles-based mobile app development firm with a 5.0/5 rating across 98 Clutch reviews. Founded to serve the US market with a consulting-led engagement model, they bring strong creative and technical capability to real estate app builds — a combination that reflects the agency's LA market context, where design quality and brand expression are treated as product requirements rather than post-launch polish.

Their consulting model differentiates them from execution-only firms in this category. Rather than immediately scoping a build from a client brief, AppMakers runs an engagement that starts with the product definition: who are the users, what decisions do they make in the app, and what data do they need visible at the moment of decision. That methodology surfaces real estate-specific workflow gaps — the kind that produce an app which looks correct but requires five taps to complete a task a user needs to do twenty times a day — before build begins. For real estate clients who are building their first digital product and do not have a prior app to reference, the consulting structure is well-placed investment.

At $100-$149/hr, AppMakers sits in the mid-premium tier. For real estate clients in the US who want a domestic agency, responsive business-hours communication, and a consulting-led process without the premium of top-tier San Francisco or New York studios, AppMakers represents a viable mid-point with a strong review record to back it.

Notable work: AppMakers USA has shipped mobile applications for clients across real estate, hospitality, and consumer-facing sectors with 98 verified Clutch reviews at 5.0. Their Los Angeles base and consulting-led model have attracted real estate clients that need product thinking alongside execution — a combination that is underrepresented at their rate point.

Pricing signal: $100-$149/hr. Minimum project $10,000. A consulting-led real estate app engagement — product definition, design, and build — typically runs $60,000 to $180,000 depending on scope and integration complexity. Budget additional time for the discovery phase if the product direction is still being defined when the engagement starts.

What to watch: AppMakers' consulting model adds time and cost to the definition phase. For companies with a fully specified real estate app that need execution rather than product thinking, the additional consulting layer is overhead. For companies still defining the app's core workflow and user journey, the investment is well-placed.

• Best for: US-based real estate companies that want a domestic agency with a consulting-led model for product definition and build

• Specialization: Real estate mobile app consulting, iOS and Android development, LA-based creative and technical execution

• Pricing: $100-$149/hr, minimum project $10,000

• Clutch rating: 5.0/5 (98 reviews)

6. Camber – The App Agency

Camber is a Raleigh, North Carolina-based mobile app development firm with a 4.9/5 rating across 21 Clutch reviews. Their specialty is premium iOS and Android application development, with particular depth in property portal builds — the listing-browsing, saved-search, and property-detail experiences that buyers interact with daily on consumer-facing real estate apps. Clients cite top-tier design and programming without excessive overhead costs — a balance that is difficult to achieve at their rate point.

Camber's premium rate positions them above the mid-market tier, but the delivery model reflects that rate: senior engineers on every project, a design-forward approach that starts from the end user's browsing behavior before defining the technical architecture, and direct communication from principals rather than account managers. For real estate companies building a consumer-facing listing app where the design quality is part of the product's value proposition — the way a photo carousel's swipe behavior or a map's cluster animation drives return visits — Camber's design sensibility is a competitive choice.

Their relatively smaller Clutch review count reflects a selective client intake and deliberate project timeline rather than limited experience. The reviews present are detailed and reference-quality, with clients describing engagements managed with care rather than volume throughput.

Notable work: Camber has designed and built premium iOS and Android property portal applications for real estate clients requiring high-quality listing presentation, search filtering, and agent contact workflows. Their review portfolio at 4.9/5 across 21 engagements reflects consistent premium delivery on a selective client base.

Pricing signal: $150-$199/hr. Minimum project $50,000. A premium real estate listing app with high-quality property browsing, MLS integration, saved searches, and agent features typically runs $80,000 to $250,000 at their rate. The premium is most justified for consumer-facing apps where the visual quality and interaction model are marketing differentiators.

What to watch: Camber's rate makes sense when design quality is a direct competitive lever for the real estate app. For internal tools, agent back-office apps, or property management utilities where the user base is captive and the interface is functional rather than experiential, the premium over comparable mid-range firms is harder to justify.

• Best for: Real estate companies building consumer-facing listing apps or property portals where premium design quality drives user retention and differentiates from competitor apps

• Specialization: Premium iOS and Android development, property portal design, consumer real estate app experience

• Pricing: $150-$199/hr, minimum project $50,000

• Clutch rating: 4.9/5 (21 reviews)

7. Emizen Tech

Emizen Tech is a Dallas-based mobile and web development firm with a 4.9/5 rating across 144 Clutch reviews — one of the most substantive review records in the sub-$25/hr tier for this category. Their real estate portfolio reflects a track record of delivering functional MVPs in two months — a delivery standard that reflects streamlined process and efficient team structure rather than reduced quality. The review volume at that rating is a meaningful signal: 144 clients reviewed at 4.9/5 is harder to manufacture than a smaller set of favorable references.

At under $25/hr with a $5,000 minimum project, Emizen is one of the most cost-accessible options on this list with review depth that backs the claim of consistent delivery. For real estate companies building a first MVP — a property listing app, a landlord-to-tenant communication tool, or a property search experience scoped for a defined geographic market — Emizen's rate card makes a legitimate production-quality build achievable at a budget that most agencies in the US cannot match.

Project management efficiency is a recurring theme across their Clutch reviews: milestones are met, communication is structured, and deliverables match specifications. For companies with a clearly defined app scope and a limited budget for the first version, that operational reliability is more valuable than premium design sensibility or consulting-level product strategy. The most common pattern in their reviews is clients returning for a second phase of the same app.

Notable work: Emizen Tech has delivered real estate mobile apps including property listing platforms, agent tools, and MVP launches for startups and established businesses. Their 144 reviews at 4.9/5 make them one of the most reviewed firms in the sub-$25/hr tier with a consistent delivery record across real estate and adjacent sectors.

Pricing signal: Under $25/hr. Minimum project $5,000. A real estate MVP with property browsing, contact forms, and basic search filtering runs $10,000 to $30,000 at their rate. A mid-tier app with MLS integration and an agent dashboard runs $25,000 to $60,000.

What to watch: Emizen's rate reflects their delivery model: efficient execution on well-specified scope. Discovery, product strategy, complex integration architecture, and design-led product thinking require either internal capability on the client side or a different vendor for the upstream work. Arrive with a specification and Emizen executes it; arrive with a concept and the output reflects the ambiguity.

• Best for: Real estate companies launching an MVP on a lean budget with a clearly specified app scope and internal product ownership

• Specialization: iOS and Android development, real estate MVP delivery, cost-effective project management

• Pricing: Under $25/hr, minimum project $5,000

• Clutch rating: 4.9/5 (144 reviews)

8. Intellectsoft

Intellectsoft is an enterprise software and mobile development firm with offices in Palo Alto, London, and Oslo. Founded in 2007, they have built a significant track record in PropTech and real estate technology — including property management platforms, smart building applications, and enterprise real estate data systems for clients in the US, Europe, and the Middle East. Their depth in enterprise-grade real estate technology makes them a distinctive choice for companies building complex, multi-tenant property platforms where compliance, scalability, and integration with enterprise systems are primary requirements.

Their real estate practice covers the full range of property technology: residential and commercial property search, IoT-connected building management systems, lease and transaction management platforms, and AI-powered property analytics tools. The enterprise client base — including large commercial real estate operators — reflects capability at a scale that most firms on this list do not address. When the brief is a multi-region property platform with complex data residency requirements, Intellectsoft's architecture depth is a relevant credential.

Intellectsoft's rate positions them as a premium firm relative to Eastern European alternatives, but competitive relative to US enterprise software firms at comparable delivery scale. The justification is their depth in enterprise real estate architecture: multi-region deployments, compliance with real estate data standards, integration with existing enterprise ERP and CRM systems, and teams capable of running complex parallel workstreams without the engagement structure breaking down.

Notable work: Intellectsoft has delivered enterprise property management platforms, smart building applications, and PropTech data systems for large real estate operators. Their enterprise depth in multi-tenant architectures, IoT-connected property systems, and real estate data analytics represents the upper tier of capability in this space.

Pricing signal: $50-$99/hr. Minimum project $50,000. Enterprise PropTech programs typically run $100,000 to $500,000+. Their rate card is competitive relative to US firms at comparable enterprise delivery capability, particularly for complex multi-region real estate platforms.

What to watch: Intellectsoft's strengths are most relevant at enterprise scale. For smaller real estate app builds — agent tools, property listing apps, or MVP launches — their process overhead is calibrated to larger programs and may introduce coordination costs that a more agile mid-market firm avoids.

• Best for: PropTech companies and large commercial real estate operators building enterprise-grade property platforms, smart building systems, or multi-tenant real estate data applications

• Specialization: Enterprise PropTech, smart building apps, IoT real estate systems, multi-region property platforms

• Pricing: $50-$99/hr, minimum project $50,000

• Clutch rating: 4.8/5

Side-by-side comparison

The question that separates the right real estate app developer from the wrong one

The most common misjudgment in real estate app procurement is treating all real estate apps as the same category. They are not. There are three meaningfully different products a company might be building, and the right vendor depends on which one.

A property marketplace — where buyers browse listings, save searches, and contact agents — is a consumer-facing product where design quality, map performance, and listing data freshness are the three dimensions that drive retention. The critical technical requirement is MLS/IDX data integration. A vendor who has never wired a RESO Web API feed into a production app will treat the integration as routine until it is not. For a marketplace, verify prior IDX integration before evaluating anything else.

A property management tool — where landlords, property managers, or operators track leases, maintenance requests, and tenant communications — is an operational tool where workflow efficiency matters more than visual design. The user base is captive. The risk is not conversion; it is adoption. A tool that requires too many taps for a task the property manager does fifty times a week will be abandoned for a spreadsheet. For a management tool, prioritize UX research and role-based workflow design over the visual layer.

An agent or broker productivity app — where licensed agents access client communications, listing management, schedule coordination, and market data — is a domain-specific professional tool that sits between consumer-facing and operational. The integration map is complex: MLS access, CRM sync, calendar integration, and document e-signature are all table stakes. For an agent productivity app, the data integration architecture is the product. Prioritize vendors with integration depth over vendors with a strong consumer app portfolio.

Getting the category wrong before selecting the vendor is how most real estate app projects end up over budget and underperforming. The framework above takes five minutes to apply and prevents three to six months of expensive recalibration.

"PropTech is not simply software for real estate. It is software that changes the way real estate decisions get made — by buyers, by operators, and by investors. The companies building the most durable platforms are the ones that started with the decision, not the data." — Industry practitioners on PropTech product design

According to McKinsey's analysis of real estate digitization, property companies that deploy digital engagement tools — mobile apps, property portals, and operator platforms — see 15-25% improvement in transaction velocity and 20-30% reduction in time-to-lease for rental properties. The gap between real estate companies with production digital tools and those without is widening as buyer and tenant expectations shift toward the consumer app experience standard set by large residential platforms. An app that was competitive in 2022 is a liability in 2026 if it has not kept pace with those expectations.

Five questions to ask before signing

1. Have you integrated MLS or IDX data into a live real estate app, and can you share the URL?

Not a description of the integration. A URL you can visit, where you can browse listings that are updated from a real MLS feed. MLS and IDX integration is the most technically specific requirement in real estate app development. A vendor who has done it will have a specific story about the data licensing process, the RESO API compliance requirements, and the refresh rate they configured. A vendor who has not done it will describe it as straightforward until the licensing delays and data normalization challenges surface mid-project, usually at the point where the client least wants a timeline change.

2. How do you handle property data schema design before the build starts?

Property data is more complex than it appears: listing schemas vary between MLS boards, property type hierarchies differ between residential and commercial, and the fields required for a buyer-facing search interface differ from the fields required for a property manager's operational view. A vendor who designs the property data model on the fly during build produces apps that require expensive refactoring when a new listing type or a new user role needs to be added. Ask how they document and validate the data model before a single screen is designed, and who signs off on it before development begins.

3. What geolocation and map technology stack have you used, and how does it perform on clusters of 10,000+ listings?

Map performance is the feature that buyers judge real estate apps on most immediately. An app that lags when a user pans across a metro area with 10,000 listings is an app that gets deleted. The performance answer depends on clustering strategy, tile caching, and the underlying mapping SDK. A vendor who has built a listing map for a dense urban market has already worked through these problems. Ask specifically about clustering implementation and how the map behaves at different zoom levels before and after filtering is applied.

4. Who resolves integration questions between design and engineering during build?

Real estate apps have more integration points than most mobile apps: MLS feeds, map services, push notification providers, authentication systems, and sometimes CRM or property management system connectors. When an engineer hits a blocker because the design specified a feature that depends on data the MLS feed does not provide, who makes the call on the fallback behavior? A vendor with integrated design and engineering teams has a process for this. A vendor where design and engineering are sequential handoffs has a delay — and that delay lands in the middle of a sprint, not at a scheduled checkpoint.

5. What is your approach to app store compliance for real estate features?

Both Apple's App Store and Google's Play Store have specific review requirements for apps with map-based location features, contact forms, and certain payment-adjacent functionality. An app that uses location for property search must comply with Apple's location permission guidelines. An app with transaction features or in-app document handling may trigger additional App Store review criteria. A vendor who has shipped real estate apps in the past two years has navigated these reviews. A vendor who has not may deliver a production-ready build that sits in App Store review for two to three weeks while compliance issues are resolved.

The verdict

The right real estate app developer depends on what you are building and what your biggest risk is.

For the highest-rated verified track record at the mid-range price point: Empat. 145 Clutch reviews at 5.0, $25-$49/hr, and a documented record of on-time delivery on iOS and Android.

For design and engineering in one team with fixed price and defined scope: RaftLabs. The data model is locked before any code is written, and the production app stays close to the approved design without handoff drift.

For Eastern European delivery on a defined real estate app spec: Atta Systems. 5.0 across 36 reviews, $50-$99/hr, real estate iOS and Android experience, and structured delivery.

For cross-platform Flutter development on a budget with a 51-review track record: SolveIt. The most compelling choice for companies that have decided on cross-platform and want a specialist team.

For US-based consulting-led delivery where the product direction needs definition alongside build: AppMakers USA.

For premium consumer-facing property portals where design quality is a direct competitive differentiator: Camber – The App Agency.

For the most cost-accessible MVP launch with a 144-review delivery record: Emizen Tech. Arrive with a specification and Emizen executes it reliably at a budget most US agencies cannot approach.

For enterprise PropTech programs — multi-tenant property platforms, smart building systems, commercial real estate data tools: Intellectsoft.

The most preventable real estate app failure is not choosing the wrong vendor on price. It is choosing a technically capable vendor who has never wired a live MLS feed, never resolved the map clustering problem at scale, and never navigated App Store review for a location-based property app. The companies on this list have.

RaftLabs builds custom real estate apps end-to-end — property search, MLS integration, map layers, and agent dashboards, all designed and built by one team at a fixed price. 4.9/5 on Clutch. Talk to a founder about your real estate app project.