Voice Chat Web App Development for Real-Time Engagement
- 14 weeks
- 300+ users
- 75%
MVP Development Company | Fixed Price
MVP Development Services
Most MVPs fail before launch. Not because the idea was wrong, but because the build took too long, cost too much, or tested the wrong assumption. RaftLabs is a minimum viable product development company that has shipped 20+ products in 24 months across SaaS, AI, healthcare, and loyalty platforms.
Pause or exit at any milestone, you're never locked in
Fixed-cost MVP development, know your spend before you commit
Minimum 8 weeks ongoing support post-launch. So you don't break a sweat after go-live
MVP development services for startups and enterprises, same process, scoped to your stage
Recent outcomes
SaaS MVP · B2B food order management
Built a multi-platform food order management MVP in 16 weeks. Zero order errors from day one.
3x revenue post-launchVoice platform MVP · Group decision-making
Shipped an anonymous real-time voice platform for group decisions from concept to launch.
300+ concurrent users, 14 weeksMarketing SaaS MVP · Referral platform
Built a referral and viral marketing SaaS platform with 12+ third-party integrations.
2.5x conversion rate, 14 weeks4.9 / 5 on ClutchSee all work
Recognition
Sound familiar?
MVP that took 8 months and $80K to build, tested the wrong assumption, and now needs a rebuild before you can raise the next round?
Development agency that built exactly what you specified, invoiced in full, and left you with a product real users do not use, because nobody asked the hard product questions before the build started?
In short
RaftLabs builds MVPs for startups and enterprise teams in the US, UK, and Australia. Fixed price, 8–14 week delivery, milestone payments. 20+ products shipped in 24 months across SaaS, AI, and healthcare. 8 weeks of post-launch support included in every engagement.
Trusted by
What makes our MVP development services stand out
- years of experience in MVP development
- 9+
- to launch your minimum viable product
- 8 weeks
- rated by Clutch
- 4.9/5
MVPs that survive first contact with real users
Launching an MVP isn't the hard part. Building one that tests the right assumption, fast enough and solid enough to learn from, is where most builds fall apart. We start every engagement by agreeing on the one assumption the build must validate. Everything else waits.
Key Insight
We've shipped 20+ MVPs in the last 24 months. Median time from brief to live: 12 weeks. Two of those MVPs were acquired by larger companies within 18 months of launch.
GrowViral, a referral and viral marketing SaaS built for a digital marketing agency, went from brief to launch in 14 weeks and delivered a 2.5x lift in client conversions from day one. Read the full case study.
"Their ability to translate my vision into a fully functional MVP in just 8 weeks was outstanding. Highly recommend!" — Eric M., Founder at Intrinsic Sales, UK
Who we build MVPs for
This works if you are...
- 01
A first-time founder with a validated idea and limited runway
You need to test the core assumption before spending your runway on features that may not matter. We scope every engagement to the minimum feature set that produces a real answer — not a full product that assumes everything up front. Our AI MVP development services cover founders adding an AI layer from day one.
- 02
A startup that raised a seed round and needs investor-ready software
A live product with real usage data outweighs a pitch deck in most investor conversations. We have taken founders from concept to a pitch-ready SaaS MVP on a fixed budget, with metrics they can point to in the room.
- 03
An established business testing a new line of business with software
Same process, different risk profile. You need to validate whether the market wants this before committing internal resources to a full build. We have done this across healthcare, fintech, hospitality, and logistics — verticals where the wrong assumption is expensive.
- 04
A team that already tried once and is rebuilding on disciplined scope
We have worked with founders who spent $80K elsewhere and got nothing shippable. The problem is rarely the idea. It is scope decisions made before anyone wrote a brief, with features added because they seemed useful rather than because they tested the right thing. We start from the assumption that scope discipline is the only thing that prevents that outcome.
Services
Our MVP development services
We cover the full build, from discovery and architecture to launch and post-launch iteration.
Custom MVP development
Every engagement starts with a discovery session that answers one question: what is the minimum feature set that tests your core assumption? We map user stories, define the feature matrix, and design the technical architecture before writing a line of code. No padding, no features added because they might come in handy later.
Your product is built around your specific workflows, user journeys, and business model. Not a template another agency reskins for every client.
SaaS MVP development
SaaS MVPs fail in predictable ways: over-engineered authentication, premature multi-tenancy, and infrastructure that costs $15K/month to run before you have a single paying customer.
We build lean SaaS MVPs that run cheap in the early stage and scale without a rewrite when you hit growth. The lean startup methodology shapes our architecture decisions: build what can be measured, not what can be imagined. Auth, Stripe billing, role management, and a clean API layer are in from sprint one. Kubernetes comes later.
MVP web application development
A browser-based product that works on any device. We build MVP web applications on React, Next.js, and Node.js, stacks that are well-supported, fast to develop on, and straightforward to hand over to an internal team. REST or GraphQL API, database design, cloud deployment, and analytics integration are part of every build.
MVP prototype design
A design sprint or clickable Figma prototype gives you something to test with real users and show investors before writing a line of code. User testing at the prototype stage catches wrong decisions while changes cost hours, not sprint days. Founders who run this phase before committing to a full build typically save 20–30% of their development budget by resolving ambiguity early.
AI MVP development
If your product involves language, search, recommendations, or workflow automation, the AI layer needs to be designed in from the start, not retrofitted after the first version ships. We build AI MVP development services that integrate LLMs (GPT-4o, Claude, Gemini), RAG pipelines, and vector databases from day one, with hallucination testing and cost monitoring built in.
MVP mobile app development
Native or cross-platform, depending on what your users need and what your runway supports. Flutter for cost-efficient cross-platform delivery on iOS and Android. Swift or Kotlin when platform-specific performance is non-negotiable. App store submission, push notifications, crash reporting, and analytics are standard on every mobile build.
What you walk away with
Every engagement produces the same six outputs. Not a staging demo. Not a handshake agreement. Real artifacts you own.
- 01
Discovery document
Written before code starts: user stories, feature matrix, technical specification, and architecture decisions. If you decide not to proceed after the discovery session, you keep this document. Most agencies start building before anything is written down. We don't.
- 02
Production software
Not a staging demo or an internal testing build. Working software deployed to real infrastructure, handling real users from day one. That is the deliverable. Everything else is process to reach it.
- 03
Full source code
100% owned by you. No vendor lock-in, no ongoing license fees to us. If you move the work to an internal team or another agency, nothing stops you. The code is yours and so is the infrastructure.
- 04
Cloud deployment
Live on AWS or GCP with monitoring, alerting, and a CI/CD pipeline so your team can deploy changes from day one. We set it up and hand you the keys. You are not dependent on us to ship updates.
- 05
8 weeks post-launch support
Bug fixes, performance monitoring, and minor iterations for 8 weeks after launch. The riskiest window for any new product is the first two months. You are not on your own during them.
- 06
Technical handover
Architecture diagram, API documentation, environment variables, runbook, and dependency list. Everything the next developer, new hire, or agency needs to understand the system and build on it from day one.
How we work
From scope to shipped
Every MVP follows four phases. Scope is locked and price is fixed before development starts.
- Week 101
Discovery and scope
We map the core assumption your MVP must validate, identify the minimum feature set, and define the technical architecture. You leave week 1 with a written scope document and a fixed-price quote. Nothing starts without your sign-off.
- Weeks 2-302
Design and prototype
Wireframes and a clickable prototype before production code. Design decisions made here cost ten times less than the same decisions made in week 8. Founders who test at this stage typically save 20-30% of their development budget by resolving ambiguity early.
- Weeks 4-1203
Build, integrate, and QA
Working software at a staging URL by the end of sprint one. Bi-weekly demos. QA runs in parallel with every sprint. Auth, billing, API layer, and core feature logic all land in this phase.
- Weeks 12+04
Launch and post-launch support
Production deployment with monitoring activated on launch day. 8 weeks of post-launch support included in every engagement. The riskiest window for any new product is the first two months. You are not on your own during them.
Why us
Why teams choose RaftLabs for MVP development
Senior engineers build what they scope
The engineers who assess your problem also build the solution. No bait-and-switch, no offshore handoff after the contract is signed. The team you meet in week 1 ships in week 12.
Fixed price before development starts
We scope the work, calculate the cost, and lock it in writing before any development starts. A scope change is a change request: priced, agreed, or dropped. It never absorbs into the project and appears on the final invoice.
9 years and 20+ MVPs shipped
Clients include Vodafone, T-Mobile, Aldi, Nike, Cisco, and Lockheed Martin. Track record across SaaS, AI, mobile, healthcare, fintech, and hospitality. Founders who came to us after spending $80K elsewhere with nothing to show for it.
Compliance built in from the start
GDPR, HIPAA, SOC 2 — compliance requirements are scoped in week 1, not retrofitted before launch. We have shipped HIPAA-compliant systems for US healthcare clients and GDPR-compliant products for European markets.
Ready to scope your MVP project?
30 minutes. You walk away with a clear cost, timeline, and team. No commitment.
What clients say
What our clients say
Three-year average engagement. Founders and operators describing the work in their own words. No marketing varnish.
Paula Castro
IrelandReservations Officer, City Break Apartments
Working with RaftLabs has been amazing. The team is super responsive and quick to address our needs. They built a booking platform that's been a game changer for our team and our guests.
01 / 08
Related services
- 01
Minimum Viable Product Development
MVP development process, timelines, and what you get at each stage.
- 02
AI MVP Development
AI-first MVPs with LLM integration, RAG pipelines, and intelligent workflows.
- 03
Custom Software Development
Post-MVP product development and scaling.
- 04
Product Discovery Phase
Structured discovery before committing to a full MVP build.
Frequently asked questions
A Minimum Viable Product (MVP) is the smallest version of your product that tests your core assumption with real users. It is production software that runs on real infrastructure, handles real users, and generates real data. At RaftLabs, every MVP engagement starts by defining the one assumption the build must validate — everything else is deferred to a later sprint.
The timeframe depends on scope and complexity. At RaftLabs, our lean process is designed to launch your web, mobile, or AI MVP within 8–14 weeks. We scope only what's needed to test your core assumption, which is how we avoid the 6–18 month timelines common elsewhere.
A prototype is a clickable simulation — it shows how a product looks and flows, but doesn't run on real infrastructure or handle real users. An MVP is production software that does. RaftLabs builds both. Which you need depends on your current goal: investor validation before committing to a build (prototype) or user validation with working software (MVP).
Our MVP development starts at $10,000 for a basic version with 1–2 core features, a simple design, and a clearly defined scope and timeline. More complex products with AI, multi-platform delivery, or advanced integrations run $25,000 to $75,000. We provide fixed-cost proposals after a scoping session, not hourly estimates that shift as scope changes.
For early-stage founders, MVP development needs to account for limited runway, fast iteration, and the need to prove a business model, not just ship features. Our startup-focused MVP development services include fixed-cost engagements, milestone-based payment, 8-week post-launch support, and scoping that forces the right decisions early. We've helped founders who came to us after spending $80K elsewhere with nothing to show for it.
The most common mistakes: building too many features before validating the core assumption, skipping real-user testing, starting development before the scope is defined in writing, and choosing a tech stack optimised for scale before you have a single paying user. RaftLabs runs a structured scoping session before every build specifically to surface and resolve these decisions before a line of code is written.
The MoSCoW method categorizes features by priority: Must Have (critical for the MVP to function), Should Have (important but not launch-blocking), Could Have (desirable but deferrable), and Won't Have (out of scope for this build). We use a version of this in every scoping session to separate what needs to be in the first release from what can wait.
Yes, with scope discipline. The two biggest cost levers are feature scope and technology choice. A Flutter cross-platform build costs significantly less than native iOS + Android. A well-scoped single-feature MVP at $10,000–$20,000 tests your core assumption faster than a $60,000 full-featured product. RaftLabs' scoping session identifies the minimum build that produces real answers — so budget goes toward validation, not features that may never matter.
An MVP is scoped to test one core assumption with the minimum features required. Full product development builds out the complete feature set. The right approach depends on your certainty. If you know your users, have validated demand, and have funding, full product development makes sense. If you're testing whether people want the product at all, start with the MVP. Most of our clients start with an MVP and move to full product development once the market signals are clear.
Yes, we sign an NDA before beginning any project to safeguard your idea. This ensures your concept remains confidential as we scope and build your MVP.
Work with us
Tell us what you need. We'll tell you what it would take.
We scope MVP Development Services Company in 30 minutes. You walk away with a clear cost, timeline, and approach. No commitment required.
- Scope and cost agreed before work starts. No surprises. No obligation.
- Working prototype within 3 weeks of kickoff.
- Pay by milestone. You see progress before each invoice.
- 60-day post-launch warranty. Bug fixes, UI tweaks, and deployment support. No retainer.
- All conversations are NDA-protected.
Industries we build MVPs for
We've shipped MVPs across industries. The differentiator isn't that we know every domain, it's that we've made the hard technical decisions in enough of them to know where the traps are.
- 01
MarTech
Automate marketing tasks, improve customer engagement, and drive business growth. Custom-built apps tailored to your data, channels, and customer journeys.
- 02
HealthTech
HIPAA is not optional and retrofitting it costs more than designing it in. We build healthcare MVPs with PHI handling, audit trails, and compliance controls from the first sprint.
- 03
Media and communication
Social apps, creator tools, and influencer platforms that require real-time interaction and feed architecture that holds up under load. As an official Agora partner, we've delivered live audio and video platforms built to handle user-generated content at volume.
- 04
Loyalty apps
Points and rewards to referral programs and personalised experiences. Our apps are built to grow, connect reliably to third-party platforms, and tie directly to business outcomes.
- 05
SaaS products
Multi-tenant architecture, role-based access, and clean API contracts built for the integrations that follow. Rapid iteration from day one, consistent user experience across the full tenure.
- 06
Hospitality
Booking flows, PMS integrations, guest experience tools, and loyalty platforms. Real-time data, complex availability logic, and third-party integrations we've already solved in this vertical.
- 07
FinTech
Compliance controls, payment rails, and fraud logic need to be in from the first sprint. Fintech MVP development requires those decisions before the architecture is locked, not after users are live and a rewrite is unavoidable.