From a sentence to an app on your phone in nine steps
Most people finish steps 1–5 in their first ten minutes. Steps 6–9 are the evening that turns a working draft into an app on your phone and in the Play Store.
Open the builder
Go to nocodeappbuilder.dev/builder on a computer or phone and sign in with Google. Nothing to install.
Describe or pick a template
One paragraph in plain English: what the app is for, its tabs, what the first screen shows, the look. Or start from a complete template. The prompting guide has a formula and twelve examples.
Answer a few questions
The builder asks the app's name, colour and navigation, with suggestions to tap — or let the AI decide everything.
Watch it build
Screens appear one at a time in the live preview. A short summary at the end says what it built.
Tap through the preview
Use the app in the phone frame like a customer would: tabs, pages, forms, back button.
Refine by talking
One specific change per message — name the screen, say the change. Or switch on edit mode and tap + on the part you mean. Each request runs on your own OpenAI key.
Add native features
Camera, location, notifications, fingerprint, barcodes, accounts, payments. Ask for them in the chat.
Get your app
Tap Get your app: a signed APK to install on your phone and an AAB for Google Play, built in the cloud in about three minutes.
Publish
Upload the AAB to your Play Console. The publishing guide walks through every screen.
Why it edits instead of rebuilding
The builder plans the app's structure first, then builds each screen separately. When you ask for a change it opens only the screen you named, so nothing else moves, AI tokens are spent only on the change, and a request never breaks a screen you already approved. The app bar, tabs and side menu are real Android components, which is why built apps navigate like real apps.
Describe an app
Type one sentence. It opens the builder with your idea ready in the chat.
Build your first app tonight
Describe it in a sentence, watch the screens appear, tap through them like a real app, then download it for your phone. No code.
Start building Free to build on your own OpenAI key · Builder Pro $7/month for APK & AAB