Nebula
Free to start — no setup, no downloads
Build any app
with a single prompt.
Describe what you want in plain words. Nebula writes the whole app, runs it live in front of you, and hands you the code to keep.
Live previewRunning
Make me a habit tracker with streaks
Writing your app… wiring the streak logic
21
day streak
84%
completion
12
habits
One prompt, a working app
Describe · Preview · Download⌘
Prompt-to-app
Say what you want in plain words. Nebula writes the full interface and the logic behind it.
⚡
Live preview
Your app runs beside the chat as it's written. Ask for changes and watch it update.
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Keep the code
Download the finished app as a single file and host it anywhere you like.