Firebase

Google's app backend: database, auth, hosting.

Official website
Pricing
Free
Best for
Mobile and realtime apps
Rank
#2 in Databases / backends
Last updated
Nov 2, 2026
Why it ranks
Mature, generous free tier

Alternatives in Databases / backends

  1. 1

    Postgres with auth, storage and realtime

    Why it ranks · Default backend for most AI app builders

    FreeFull backend for vibe-coded apps

  2. 3

    Reactive TypeScript backend database

    Why it ranks · End-to-end type safety, great with AI codegen

    FreeTypeScript-first realtime apps

  3. 4

    Serverless Postgres with branching

    FreeServerless Postgres

  4. 5

    Open-source backend in a single file

    FreeSelf-hosted small projects