Use case
Best AI App Builder
For most people typing this, an AI app builder is the right answer. We make the other thing, and the useful question is which problem you have.
Let me be upfront: we sell a template, not a builder, so we lose this comparison for a lot of readers. The honest version of "best AI app builder" depends on what you are optimising for, and there are really only four answers worth knowing.
Two notes before the list. If you want to build a native Android or iOS app, none of these are for you and neither are we, because this is a web category. And "free" mostly means a trial-shaped tier: real enough to test an idea, not enough to run a product.
The four, and what each is actually best at
Base44 belongs in the same conversation and is worth a look if you want the backend bundled and do not mind the app living on Wix's platform. Each of these has its own page here with the pricing in detail, because the differences are mostly financial rather than technical.
The one thing they all share
Every builder above is a subscription that your finished app depends on. That is not a criticism, it is the product: they run the database, the auth, and the hosting, and the monthly fee is what keeps the thing online.
What happens to your app if you stop paying?
It stops, because the platform is the runtime.
- Fastest possible route from an idea to something people can click, and that is worth real money
- Code export exists on paid tiers, but the app assumes the platform around it, so leaving is a porting job
- The meter usually keeps running after launch, scaled by your traffic rather than your effort
It keeps running, because it is just your repository.
- No agent. You bring Cursor or Claude Code, and the template's job is to have the architecture already decided
- No meter on building or on running, so a good month for your product is not a bigger tooling invoice
- You provision Postgres, own the deploys, and do the work the builder was doing for you
Neither column is the better answer in general. The first is better when the app might not survive the month; the second is better when it might outlive you.
How to actually choose
If you cannot yet describe the app precisely, use a builder. Describing it to Lovable or Replit is a faster way to discover what it should be than designing it, and the credits you burn finding out are cheaper than the weeks you would spend guessing. Nothing we make helps with that.
If you can describe it, and you expect to still be maintaining it in two years, the subscription-shaped ones get expensive in a way that is easy to miss on the pricing page. That is when a codebase you own starts to win, and it is the only case where we would argue we are the better pick.
If your screens look unfinished and everything else works, that is v0, and it is not a competitor to either of the above.
Below is what our CLI installs, so you can see concretely what "a template instead of a builder" means before deciding which side of that fork you are on.
What is Hype Stack?
Every product starts with the same month of work nobody pays you for: sign-up and login, teams and permissions, taking payments, notifications, an admin panel to run the business. Hype Stack is that month, already built and tested. Start from the free open-source app, add the pieces you need with one command, and keep going on the part that is actually your idea.
Everything lands as real code in your own repository, so there is nothing to rent and nothing anyone can switch off. For the engineers: React 19, Hono, Postgres, and a desktop build, typed end to end.
See it running
Templates are curated project starters built on this stack: a layout, feature packs, a custom theme, and bonus pages. The previews below are recordings of the real apps.
Two ways to install features
Same features underneath, different starting point. Either command resolves what the packs depend on, copies the source into your repository, and merges the Prisma schema.
Take a template
A landing page, a design system, a themed layout, and the features already wired into it. Rebrand it, put your product in the middle, ship.
npx @hype-stack/cli template$ hype-stack compose
Compose your own design
Your design and your choices, without rebuilding auth, billing, or notifications. Tick the packs you want and the CLI wires them into the open-source starter.
npx @hype-stack/cli composeInside the stack
What each pack gives you
Source code, not a dependency. Every pack lands in your repository across the surfaces the feature touches.
Authentication, organizations, roles, sessions, and a full admin app, powered by Better Auth on your own Postgres.
- Email & Google login
- Organizations & members
- Roles & permissions
- Admin app & dashboard
Questions, answered
More stacks
Turn your ideas into
Real applications.
Start free and own every line you ship. When you want more, one All-Access license unlocks every premium pack and template for a year.