MongoDB vs Supabase(2026)
MongoDB is better for teams that need flexible schema. Supabase is the stronger choice if full postgres with sql. MongoDB is freemium (from $57/month) and Supabase is freemium (from $25/month).
Full feature breakdown, pricing details, and pros & cons below.
Affiliate disclosure: Some “Visit” links on this page are affiliate links. We may earn a commission if you sign up — at no extra cost to you. It does not affect our rankings or editorial coverage. Learn more.
MongoDB
MongoDB is the most popular NoSQL document database with a flexible schema and Atlas cloud service.
Starting at $57/month
Visit MongoDBSupabase
Supabase is an open source Firebase alternative providing a Postgres database, Auth, realtime, storage, and edge functions.
Starting at $25/month
Visit SupabaseHow Do MongoDB and Supabase Compare on Features?
| Feature | MongoDB | Supabase |
|---|---|---|
| Pricing model | freemium | freemium |
| Starting price | $57/month | $25/month |
| Document model | ✓ | — |
| Atlas cloud | ✓ | — |
| Aggregation pipeline | ✓ | — |
| Change streams | ✓ | — |
| Full-text search | ✓ | — |
| Vector search | ✓ | — |
| PostgreSQL | — | ✓ |
| Authentication | — | ✓ |
| Realtime | — | ✓ |
| Storage | — | ✓ |
| Edge Functions | — | ✓ |
| Auto-generated APIs | — | ✓ |
MongoDB Pros and Cons vs Supabase
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
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
Should You Use MongoDB or Supabase?
Choose MongoDB if…
- •Flexible schema
- •Horizontal scaling
- •Rich query language
Choose Supabase if…
- •Full Postgres with SQL
- •Built-in auth and storage
- •Open source