Change your app in 60 seconds.
Describe a change — a new field, a brand-color tweak, a CSV export. We apply the edit, run the build, and push the commit. Failed iterations are free.
Already have an Anthropic API key? Use it.
Paste your Anthropic API key in Settings → API keys. From then on, iterations run on your Anthropic billing — we charge zero credits per run. Swap back any time.
Set up your key →Out of credits? Top up à la carte.
Top-up credits never expire. Average: 1 credit ≈ 3 iterations.
Ready to iterate?
Sign in, pick an app, and tell us what to change. Your first iterations are on us.
Start now →See full pricing →