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2026 BaaS Database Showdown: Supabase vs Firebase vs PocketBase vs Appwrite

✍️ 开发栏目🕒 March 24, 2026📖 8 min read🔥 热门

We compare four Backend‑as‑a‑Service platforms on database, auth, storage, real‑time, pricing, and self‑hosting to help you pick the right backend for your app.

Database Type

  • Supabase: PostgreSQL (relational), full SQL support
  • Firebase: Firestore (NoSQL document), flexible but complex queries limited
  • PocketBase: SQLite (embedded), single file, lightweight
  • Appwrite: Hybrid, backed by MariaDB

Realtime

All support realtime: Supabase via PostgreSQL replication, Firebase native, PocketBase built‑in, Appwrite via WebSocket.

Auth & Storage

  • Supabase: OAuth, email, S3‑compatible storage
  • Firebase: Most comprehensive auth, simple storage
  • PocketBase: Built‑in auth, file storage
  • Appwrite: Full auth, storage, MFA support

Pricing & Self‑Hosting

  • Supabase: Free 500MB DB, 2GB storage; self‑hostable
  • Firebase: Free limited; no official self‑hosting
  • PocketBase: Free, self‑hostable single binary
  • Appwrite: Free tier; self‑hostable

Scores & Recommendations

Supabase: 9.2 — Best for SQL lovers; Firebase: 8.9 — Google ecosystem, rapid prototyping; PocketBase: 8.5 — Minimalist self‑hosting; Appwrite: 8.7 — Balanced features.

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Choose Supabase for SQL; Firebase for NoSQL/Google stack; PocketBase for self‑hosted simplicity; Appwrite for balanced needs.

Community & Docs

Firebase docs best; Supabase community growing fast; Appwrite docs clear; PocketBase smaller but easy to use.