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Database and login for your app

“I need users to sign in and my data to live somewhere.”

Backend-in-a-box. Turn on row-level security or equivalent before launch — this is the #1 vibe-coded leak.

Tools for this

#1 · Our pick

Best for: Default backend for vibe coders

Postgres, auth, storage and realtime in one dashboard. Most prompt-to-app builders use it. Turn on row-level security.

Best for: Mobile apps

Google's app backend: auth, a document database and hosting. Strong for mobile apps. Lock down your security rules.

Best for: Realtime TypeScript apps

A backend where your queries are TypeScript functions and data syncs live to the UI. AI agents write it well.

Best for: Auth you don't have to build

Drop-in sign-up and login screens with user management. Saves you from building auth yourself.