Comparison
Supabase vs Firebase vs Convex
SQL, NoSQL, and reactive — three BaaS shapes.
1 min readupdated 2026-07-04
/ quick answer
Supabase = Postgres + Auth + Storage. Firebase = document DB + realtime. Convex = reactive queries and functions with a single deploy. SQL, NoSQL, and reactive — three BaaS shapes.
SQL, NoSQL, and reactive — three BaaS shapes. Supabase = Postgres + Auth + Storage. Firebase = document DB + realtime. Convex = reactive queries and functions with a single deploy. Recommendation: Supabase is the safest default. Firebase for mobile-first realtime. Convex when your team lives in TypeScript. This comparison node is part of the Onexial knowledge graph and links to related concepts, workflows and tools below.
Overview
Supabase = Postgres + Auth + Storage. Firebase = document DB + realtime. Convex = reactive queries and functions with a single deploy.
Differences
| Dimension | Option A | Option B |
|---|---|---|
| Data model | SQL (Supabase) | NoSQL (Firebase) / Reactive TS (Convex) |
| Realtime | Yes (Supabase) | First-class (Firebase / Convex) |
| Vendor lock-in | Low (Supabase) | High (Firebase / Convex) |
| Best DX | Familiar SQL (Supabase) | Web-first (Firebase) / TS-first (Convex) |
Use Cases
- →Structured data, portability → Supabase
- →Mobile + realtime → Firebase
- →TypeScript-first, reactive UI → Convex
Recommendation
Supabase is the safest default. Firebase for mobile-first realtime. Convex when your team lives in TypeScript.
/ frequently asked
What is the difference in Supabase vs Firebase vs Convex?
Supabase = Postgres + Auth + Storage. Firebase = document DB + realtime. Convex = reactive queries and functions with a single deploy.
What are the main points of comparison?
Data model: SQL (Supabase) vs NoSQL (Firebase) / Reactive TS (Convex) · Realtime: Yes (Supabase) vs First-class (Firebase / Convex) · Vendor lock-in: Low (Supabase) vs High (Firebase / Convex) · Best DX: Familiar SQL (Supabase) vs Web-first (Firebase) / TS-first (Convex)
Which one should I choose?
Supabase is the safest default. Firebase for mobile-first realtime. Convex when your team lives in TypeScript.
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