MVP Tech Stack: 5 Questions to Ask Before You Sign

5 questions to ask before anyone picks your stack

Ask these to any agency, freelancer or cofounder:

• 1. Who owns the GitHub repository on day one? It should be you, not the agency.
• 2. Can a developer outside your team take it over? With a niche framework, the answer is often no.
• 3. Where does the data live, and who can read it? Ask about access rules (row level security in Supabase), not just whether "it's secure".
• 4. How do payments work on mobile? Apple and Google generally require their own billing for digital goods in the app, and the rules change, so check the current store guidelines. If the answer is "Stripe" for a digital subscription in an iOS app, ask how they checked it against those guidelines.
• 5. What happens after launch? Find out how long bug fixes are covered and what ongoing support costs.

What a stack is, in short

A tech stack is the set of tools your app runs on. If one tool is wrong, you can swap it later. If the whole stack is wrong, you have to rebuild. Pick tools that are open, widely used and well documented, in a repository you own. An MVP needs five layers:

• Frontend: the screens users see. A common default is Next.js for web and Expo (React Native) for iOS and Android.
• Backend and database: where data is stored and rules run. Supabase (Postgres) is a common default.
• Authentication: sign up, log in, roles. Supabase Auth comes with the database.
• Payments: Stripe on the web. On mobile, RevenueCat with Apple and Google billing, because Apple and Google generally require their own billing for digital goods in the app, and the rules change, so check the current store guidelines.
• Hosting: Vercel for web, App Store and Google Play for mobile.

Match the stack to your budget

Your budget decides how much you build, not just which tools you use. Here's how the options compare.

• Very little cash, plenty of time, you want to test demand. Best fit: a no-code tool, or a landing page with a waitlist. What you give up: ownership, performance, a clean path to a real app.
• You built a prototype with an AI builder and people use it. Best fit: keep the idea, then harden it or rebuild on Next.js and Supabase. What you give up: some of the prototype code.
• Fixed budget, you need paying users or an investor demo. Best fit: Next.js or Expo with Supabase and Stripe, built to a fixed scope. What you give up: features that aren't core to v1.
• Bigger budget, complex rules, compliance needs. Best fit: the same base plus a custom backend service. What you give up: speed, because there's more to build and review.

If you're in the fixed budget row

If you're in the fixed budget row, our MVP development starts at a fixed $3,460. If you're choosing between the first row and the third, our article on no-code vs custom code for an MVP covers the budget and timeline tradeoff in detail. One rule applies to every row: at MVP stage, running costs are small next to build costs. Check each provider's current pricing page before you commit, but don't let hosting fees pick your stack. The real cost is who maintains the code.

Match the stack to your hiring plan

A question worth asking: who will touch the code after version one? Find your situation below. Not sure which group you're in? Book a call and we'll talk through your idea and your hiring plan, then send a fixed price quote.

• You won't hire for at least six months. Choose a stack your agency or freelancer will support after launch, and get the repository in your name. Next.js and Supabase are a safe choice because they don't tie you to one shop.
• You'll hire your first engineer after the raise. Use TypeScript everywhere: Next.js on the web and Expo on mobile. That's one language from database queries to mobile screens, so a single full stack hire can own all of it. A niche stack shrinks the pool of people you can hire.
• You have a technical cofounder. Let them choose, but ask them one question: "If you left, could someone else take this over in a week?" If the answer is no, the stack is a risk.
• You'll stay on no-code. That works for internal tools and simple marketplaces. Expect that a developer you hire later will often rebuild it rather than extend it.

When no-code is the right answer

No-code wins in the three cases below. It stops working when you need custom logic, native mobile features or strict data rules. It also falls short when investors ask about ownership in due diligence. If you already have a prototype from Lovable, Bolt or Cursor, our AI prototype to production guides explain when to harden it and when to rebuild.

• 1. You're testing demand, not building a product. Ten people paying through a simple form tell you more than a polished app nobody uses.
• 2. The tool is internal. An ops dashboard for your team doesn't need App Store polish.
• 3. The workflow is standard. Existing tools already handle booking, directories and basic marketplaces well.

Mobile: Expo or fully native?

For an MVP, Expo is the default. It ships iOS and Android from one project, supports push notifications and in-app purchases, and handles App Store and Google Play builds. Only go fully native (Swift for iOS, Kotlin for Android) if your core feature depends on something cross-platform tools handle badly, such as heavy AR, low-level Bluetooth hardware or complex real-time audio. Fully native means two codebases, and your build and maintenance costs grow with them. For more on this, browse our mobile app building articles.

The stack we use, and why

At BuildMVPFast, here's how we answer the five questions:

• Web apps: Next.js App Router, auth with roles, Postgres or Supabase with row level security, Stripe when you charge, deployed on Vercel.
• Mobile apps: iOS and Android from one Expo project, auth and onboarding, push notifications, RevenueCat or Stripe when you sell, and help with TestFlight and Google Play submission.
• Ownership: 100% of the source code and the GitHub repository are yours, with handoff documentation.
• After launch: 2 weeks of bug fixes are included, and continuous support is available if you want us to keep building.

Price and how to start

Pricing is fixed, from $3,460, and delivery takes about 20 days. The full scope is on our MVP development page, and you can see finished apps on our projects page. Bring your idea and your hiring plan. Book a call: it's a free 30-minute call, and you get a fixed price quote after it.

What is the best tech stack for an MVP in 2026?

For most products: Next.js for web, Expo for iOS and Android, Supabase for the database and login, and Stripe or RevenueCat for payments. It's fast to build on, you own it, and it's easy to hire for.

Is Supabase good enough for production?

Yes, for most MVPs and early products. It runs on Postgres, a standard SQL database, so you can move your data elsewhere if you outgrow it. Set up access rules properly from day one.

Should I use React Native or Flutter for my MVP?

Both ship iOS and Android from one codebase. We use React Native with Expo because it shares TypeScript with Next.js, so one developer can work on both web and mobile. That makes hiring simpler later.

Can I start on no-code and move to custom code later?

Yes, but plan for a rebuild, not a migration. Keep your data exportable, write down your user flows, and treat the no-code version as a test of demand.