Supabase vs MongoDB(2026)
Supabase is better for teams that need full postgres with sql. MongoDB is the stronger choice if flexible schema. Supabase is freemium (from $25/month) and MongoDB is freemium (from $57/month).
Full feature breakdown, pricing details, and pros & cons below.
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Supabase
Supabase is an open source Firebase alternative providing a Postgres database, Auth, realtime, storage, and edge functions.
Starting at $25/month
Visit SupabaseMongoDB
MongoDB is the most popular NoSQL document database with a flexible schema and Atlas cloud service.
Starting at $57/month
Visit MongoDBHow Do Supabase and MongoDB Compare on Features?
| Feature | Supabase | MongoDB |
|---|---|---|
| Pricing model | freemium | freemium |
| Starting price | $25/month | $57/month |
| PostgreSQL | ✓ | — |
| Authentication | ✓ | — |
| Realtime | ✓ | — |
| Storage | ✓ | — |
| Edge Functions | ✓ | — |
| Auto-generated APIs | ✓ | — |
| Document model | — | ✓ |
| Atlas cloud | — | ✓ |
| Aggregation pipeline | — | ✓ |
| Change streams | — | ✓ |
| Full-text search | — | ✓ |
| Vector search | — | ✓ |
Supabase Pros and Cons vs MongoDB
S
Supabase
+Full Postgres with SQL
+Built-in auth and storage
+Open source
+Great free tier
−Free tier pauses after 1 week inactive
−Self-hosting is complex
−Edge functions limited
M
MongoDB
+Flexible schema
+Horizontal scaling
+Rich query language
+Good free Atlas tier
−No joins (must denormalize)
−Can use more memory than Postgres
−ACID only at document level by default
Should You Use Supabase or MongoDB?
Choose Supabase if…
- •Full Postgres with SQL
- •Built-in auth and storage
- •Open source
Choose MongoDB if…
- •Flexible schema
- •Horizontal scaling
- •Rich query language