A React and Next.js web app your customers can pay for.
You've seen what happens after the demo: the login that breaks on a real domain, the subscription that never cancels, the database anyone can read. Version one from JetBuild ships with the boring parts done, auth, Stripe, an admin dashboard, security rules, backups and monitoring, on infrastructure you own. Fixed price. A staging link every week. A handover any developer can pick up.
- 60+ apps shipped
- fixed price agreed before we start
- live in 4 to 8 weeks

Web apps we've shipped.
Marketplaces, SaaS, AI tools and subscription products, built with the same discipline every time: React, Next.js and Supabase, with the payments and security done properly.
And the migration a platform said was impossible
- What it is
- Migration
- On arrival
- Locked in on Lovable Cloud, 5,000 students
- What we did
- Moved to the client's own Supabase: schema, policies, files, every login
- Time
- —
- Now
- Live, zero downtime, every login kept
Watch a web app get built, start to checkout.
Two full Next.js builds from the Coding With Douglas channel, with Stripe wired and a real checkout at the end. This is the stack and the pace your version one gets.
3:56:28uncut
What we build with: React, Next.js, TypeScript, Supabase, Postgres, Stripe, Vercel.
Sound familiar?
- You were quoted $30k and three months for a first versionversion one
- Your prototype works in preview and breaks the moment real users show upFinish it
- Investors want something they can click, not a Figma fileversion one
- Your last developer left a codebase nobody can readFinish it
- You pay monthly for a platform you don't own and can't leaveMigrate
- You need web and mobile without paying for two separate buildsWeb and mobile
From first call to launch
- 1
A 20-minute call
You describe the product. We ask the questions that change the price, and tell you straight if you don't need us.
- 2
Scope and a fixed price
Within two days: a written scope, a database plan, a number and a start date. Nothing is built until you sign off.
- 3
Build in the open
A staging link every week from week one. You click through the real thing, not a deck.
- 4
Launch and handover
Domain, payments and monitoring live. Repo and accounts in your name. Four weeks of fixes included.
What it costs
Every project is a fixed price agreed in writing before we start, with half up front and half at launch. Not sure which fits? The call is free and you leave with a recommendation and a number.
Finish what you have
A prototype from Lovable, Bolt or a developer who left, taken to a live, paid product.
$5,000
starting from
2 to 3 weeks
- Written verdict in 48 hours
- Keep what works, rebuild what doesn't
- Security rules, Stripe and deploy hardened
- Monitoring and error tracking
- Four weeks of fixes after launch
Web app, version one
A first release your customers can pay for.
$6,000
starting from
4 to 8 weeks
- Written scope you sign off on
- Next.js on Supabase or Postgres, TypeScript
- Sign-up, login, roles and permissions
- Stripe subscriptions with webhooks wired
- Admin dashboard
- Row-level security, backups, monitoring
- Deployed on your accounts
- Four weeks of fixes after launch
Web and mobile
A web app and a React Native app on one shared backend.
$12,000
starting from
6 to 10 weeks
- Everything in version one
- React Native app, iOS and Android
- One database, one admin
- Push notifications
- App Store and Play Store submission
- Eight weeks of fixes after launch
Every price includes a fixed quote, weekly staging links, a documented handover and full ownership.
Straight talk, shipped on time, no surprises.
Fast, reliable, and actually understands Bubble at a deep level.
“JetBuild delivered exactly what we scoped, on time, with zero hand-holding needed. They understand Bubble at a production level, not just getting things to work, but building them properly.”
Brian Luerssen, Founder at DraftBit
Built our entire booking system and payment flow from scratch.
“We needed a booking platform with Stripe payouts and role-based dashboards. JetBuild scoped it clearly, built it fast, and it worked on day one. No back and forth, no surprises.”
Marcus Webb, Co-Founder at GreenRoute Logistics



How every project runs
Fixed price before we start
You know the full number upfront. Never hourly surprises.
Weekly staging links
You click through the real build yourself. No curated demos.
Documented handover
Any future developer can pick your project up.
You own everything
Code, data, accounts and infrastructure are yours at the end.
Questions founders ask first
The first release a customer can pay for, not a demo. It has the parts an AI builder skips: security rules, webhook handling, error states, backups and monitoring. Most version ones cover one core workflow done properly, plus payments and admin.
Four to eight weeks for a web app, depending on how many user roles and integrations there are. You know the timeline before you pay anything.
From $6,000. Most web apps land between $6,000 and $12,000. Two-sided marketplaces, AI-heavy products and anything with payouts sit at the top of that range. Either way you get one fixed number before we start.
Yes. A working prototype, even a rough one, is the best spec there is. Often the right move is to keep what works and rebuild the parts that don't, which is cheaper than starting over.
Next.js, TypeScript, Supabase or Postgres, Stripe, Vercel. Boring on purpose: it's what the largest pool of developers can maintain after us, and what we've shipped dozens of times.
Yes. Version ones are built so a React Native app can share the same backend. If mobile is coming, say so on the call and the data model gets shaped for it now.

Not sure which one you need?
Book a free 20-minute call and I'll tell you straight what your project needs, including if it doesn't need me.
Book a free callNo pressure, no jargon, just a plan and a price.
Douglas Maringa, JetBuild Studio








