Updated for 2026
MongoDBvs
Supabase
Not sure which fits your workflow in 2026? Compare pricing, features, and trade-offs — then switch tools below to explore more options in this category.
dev-database
MongoDB
MongoDB is a document-oriented database that stores BSON/JSON-like documents — strong for flexible schemas, change streams, and sharded clusters (self-host or Atlas).
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Supabase
Supabase is an open-source BaaS platform launched in 2020 by Supabase Inc. It entered GA in 2024 and has become a top backend choice for the AI era and Vibe Coding. A Postgres-first platform with auth, storage, realtime, and vector capabilities—often seen as an open-source Firebase alternative.
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| Feature | MongoDB | Supabase |
|---|---|---|
| Released | 2016 | 2020 |
| Company | MongoDB, Inc. | Supabase |
| Country | United States | United States |
| Region / Availability | Self-host / multi-cloud | Multi-region (global) |
Pricing comparison
| Plan | MongoDB | Supabase |
|---|---|---|
| Model | open-source | freemium |
| Free tier | Yes | Yes |
| Starts at | $0/mo | $25/mo |
| Plan 1 | Open Source: Free | Free: Free500 MB database size，1 GB file storage，Unlimited API requests，50,000 monthly active users |
| Plan 2 | MongoDB Atlas Free: FreeLimited to 512MB storage, primarily for learning purposes. | Pro: $25/moFor production applications with the power to scale. 100 GB file storage，100,000 monthly active users，8 GB disk size per project |
| Plan 3 | MongoDB Atlas Flex: $30/moFor application development and testing, with on-demand burst capacity for unpredictable traffic. Limited to 5GB storeage. | Team: $599/moDesigned for team collaboration, it adds features such as single sign-on, backup control, and industry authentication. |
| Plan 4 | MongoDB Atlas Dedicated: Starts at $57/moFor production applications with complex workloads. 10GB to 4TB storage, dedicated memory and CPU. | — |
Feature checklist
| Feature | MongoDB | Supabase |
|---|---|---|
| Open Source | ✓https://github.com/mongodb/mongo | ✓https://github.com/supabase/supabase |
| Self-host Option | ✓ | ✓ |
| ACID | Document atomicity; multi-document ACID transactions (4.0+) | Full ACID via underlying Postgres |
| Index Support | Single, compound, text, geospatial, wildcard, and vector indexes | Postgres indexes + pgvector / full-text options |
| Concurrency | High concurrency for document workloads with wiredTiger locking | Strong MVCC concurrency from Postgres |
| Scalability | Native horizontal sharding and replica sets | Managed scale + read replicas; branching for previews |
| SQL Support | ✗ | ✓ |
| Postgres Compatible | ✗ | ✓ |
| Serverless Database | ✗ | ✓ |
| Vector Search | ✓ | ✓ |
| Realtime | ✓ | ✓ |
| Built-in Auth | ✗ | ✓ |
| Blob / File Storage | ✗ | ✓ |
| Edge Compatible | ✗ | ✓ |
| AI SQL / NL Query | ✗ | ✓ |
| AI Schema Assist | ✓ | ✓ |
| AI Agent / MCP | ✓ | ✓ |
| Team Collaboration | ✓ | ✓ |
| Use Case | Flexible document storage for product catalogs, content, and event-driven apps | Postgres-backed BaaS with auth, storage, realtime, and vectors |
Pros & cons
MongoDB
- Document model flexibility
- Strong Atlas developer tooling
- Vector search and multi-cloud options
- Not relational SQL
- Cost management needs care at scale
- Auth/storage not as turnkey as BaaS suites
Supabase
- Full Postgres with rich SQL ecosystem
- Auth, storage, realtime in one platform
- Self-host or managed cloud
- Operational complexity grows with scale
- Edge latency depends on region choice
- Not the lightest option for tiny apps
Dimension scores
Editorial 0–10 scores across shared dimensions — higher is better for that axis.
| Dimension | MongoDB | Supabase |
|---|---|---|
| Capability | 8.5 | 9.0 |
| Privacy | 6.0 | 8.5 |
| Value | 7.0 | 8.5 |
| Depth | 8.5 | 8.5 |
| Ecosystem | 9.0 | 9.0 |
| DX | 7.5 | 9.0 |
- MongoDB
- Supabase
FAQ
Is MongoDB better than Supabase? (2026)
It depends on workflow. MongoDB emphasizes document database for flexible json-like data, rich indexing, and horizontal scale. Supabase emphasizes open-source firebase alternative built on postgres with auth, storage, and realtime. Use the feature checklist above for your stack.
Which use cases fit MongoDB vs Supabase?
- MongoDB: Flexible document storage for product catalogs, content, and event-driven apps
- Supabase: Postgres-backed BaaS with auth, storage, realtime, and vectors
What are the main differences between MongoDB and Supabase?
- ACID: MongoDB (Document atomicity; multi-document ACID transactions (4.0+)) vs Supabase (Full ACID via underlying Postgres)
- Index Support: MongoDB (Single, compound, text, geospatial, wildcard, and vector indexes) vs Supabase (Postgres indexes + pgvector / full-text options)
- Concurrency: MongoDB (High concurrency for document workloads with wiredTiger locking) vs Supabase (Strong MVCC concurrency from Postgres)
- Scalability: MongoDB (Native horizontal sharding and replica sets) vs Supabase (Managed scale + read replicas; branching for previews)
- SQL Support: MongoDB (no) vs Supabase (yes)
How do MongoDB and Supabase compare on pricing?
MongoDB pricing overview:
- Has a free tier
- Pricing model: open source
- Starting from ~$0/mo
- Plan Open Source: Free
- Plan MongoDB Atlas Free: Free
- Plan MongoDB Atlas Flex: $30/mo
Supabase pricing overview:
- Has a free tier
- Pricing model: freemium
- Starting from ~$25/mo
- Plan Free: Free
- Plan Pro: $25/mo
- Plan Team: $599/mo
Always verify current prices on the vendor site before buying.
Do MongoDB and Supabase offer a free tier?
- MongoDB: Has a free tier
- Supabase: Has a free tier
Are MongoDB and Supabase open source?
- MongoDB: yes
- Supabase: yes
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Related alternatives
Disclaimer:Not Financial or Investment Advice, Educational/Dev Tool Comparison Only. Information may change; always verify pricing on the vendor site before purchasing.