Firebase

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

Is Firebase right for you?

Firebase is ranked #2 of 5 in Backend, database & auth on ShipStack. Best for: Mobile and realtime apps. Mature, broad feature set.

Postgres backend with auth, storage, and realtime.

💲 Free; Pro from $25/mo

Best for: Default backend for vibe-coded apps

Most integrated with AI builders

Reactive TypeScript backend platform for apps and agents.

💲 Free/Starter pay-as-you-go; Professional $25/dev/mo

Best for: Realtime TS apps

Great DX, typesafe

Serverless, branchable Postgres (Lakebase) plus auth, functions, storage and an AI Gateway.

💲 Free; Launch & Scale usage-based (from $0.106/CU-hr)

Best for: Postgres with preview branches

Branching fits agent workflows