Real test builds landing soon

Lovable, Replit or Bolt? Pick the right stack.

What should I build my app with? Answer 4 quick questions and get a starter stack for your app, with estimated monthly costs and what to watch out for.

Start the 60-second quiz Free. No sign-up.
Build logs

Test builds (coming soon)

We’re building the same small app in each of these: login, database, Stripe checkout and a receipt email. Each log will show the time it took, the real bill and what broke.

Replit all-in-one

Build log · not started
Coming soon

Login, database and Stripe checkout without leaving Replit.

Working in
—
Bill · 1k users
Not yet measured
Not tested yetNotify me

Lovable + Supabase + Stripe

Build log · not started
Coming soon

Lovable front end on your own Supabase, with Stripe Checkout.

Working in
—
Bill · 1k users
Not yet measured
Not tested yetNotify me

Bolt + Supabase + Stripe

Build log · not started
Coming soon

Bolt with Supabase for data and logins, plus card payments.

Working in
—
Bill · 1k users
Not yet measured
Not tested yetNotify me

Swipe for more →

Popular comparisons

Stuck between two?

Each page opens with a plain verdict: “Pick A if… Pick B if…”, then cost at 3 sizes, lock-in and what to watch out for.

See all comparisons
Checklist coming soon

Is your vibe-coded app leaking?

A checklist for each builder is not written yet, and no app has been checked. These are the questions it will cover. They are not results.

  • Row-level security on every tableTo check
  • No secret keys in the browserTo check
  • Payment webhooks verifiedTo check
  • Logins rate-limitedTo check
  • Private pages check who is logged inTo check
Stack Notes · weekly

Prices that moved, one security gotcha, and test builds as they land

A weekly note on prices, one security gotcha, and test builds as they land.

TestedStacks