Updated for 2026
Supabasevs
MongoDB
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
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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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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| Feature | Supabase | MongoDB |
|---|---|---|
| Released | 2020 | 2016 |
| Company | Supabase | MongoDB, Inc. |
| Country | United States | United States |
| Region / Availability | Multi-region (global) | Self-host / multi-cloud |
Pricing comparison
| Plan | Supabase | MongoDB |
|---|---|---|
| Model | freemium | open-source |
| Free tier | Yes | Yes |
| Starts at | $25/mo | $0/mo |
| Plan 1 | Free: Free500 MB database size，1 GB file storage，Unlimited API requests，50,000 monthly active users | Open Source: Free |
| Plan 2 | 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 | MongoDB Atlas Free: FreeLimited to 512MB storage, primarily for learning purposes. |
| Plan 3 | Team: $599/moDesigned for team collaboration, it adds features such as single sign-on, backup control, and industry authentication. | MongoDB Atlas Flex: $30/moFor application development and testing, with on-demand burst capacity for unpredictable traffic. Limited to 5GB storeage. |
| 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 | Supabase | MongoDB |
|---|---|---|
| Open Source | ✓https://github.com/supabase/supabase | ✓https://github.com/mongodb/mongo |
| Self-host Option | ✓ | ✓ |
| ACID | Full ACID via underlying Postgres | Document atomicity; multi-document ACID transactions (4.0+) |
| Index Support | Postgres indexes + pgvector / full-text options | Single, compound, text, geospatial, wildcard, and vector indexes |
| Concurrency | Strong MVCC concurrency from Postgres | High concurrency for document workloads with wiredTiger locking |
| Scalability | Managed scale + read replicas; branching for previews | Native horizontal sharding and replica sets |
| 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 | Postgres-backed BaaS with auth, storage, realtime, and vectors | Flexible document storage for product catalogs, content, and event-driven apps |
Pros & cons
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
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
Dimension scores
Editorial 0–10 scores across shared dimensions — higher is better for that axis.
| Dimension | Supabase | MongoDB |
|---|---|---|
| Capability | 9.0 | 8.5 |
| Privacy | 8.5 | 6.0 |
| Value | 8.5 | 7.0 |
| Depth | 8.5 | 8.5 |
| Ecosystem | 9.0 | 9.0 |
| DX | 9.0 | 7.5 |
- Supabase
- MongoDB
FAQ
Is Supabase better than MongoDB? (2026)
It depends on workflow. Supabase emphasizes open-source firebase alternative built on postgres with auth, storage, and realtime. MongoDB emphasizes document database for flexible json-like data, rich indexing, and horizontal scale. Use the feature checklist above for your stack.
Which use cases fit Supabase vs MongoDB?
- Supabase: Postgres-backed BaaS with auth, storage, realtime, and vectors
- MongoDB: Flexible document storage for product catalogs, content, and event-driven apps
What are the main differences between Supabase and MongoDB?
- ACID: Supabase (Full ACID via underlying Postgres) vs MongoDB (Document atomicity; multi-document ACID transactions (4.0+))
- Index Support: Supabase (Postgres indexes + pgvector / full-text options) vs MongoDB (Single, compound, text, geospatial, wildcard, and vector indexes)
- Concurrency: Supabase (Strong MVCC concurrency from Postgres) vs MongoDB (High concurrency for document workloads with wiredTiger locking)
- Scalability: Supabase (Managed scale + read replicas; branching for previews) vs MongoDB (Native horizontal sharding and replica sets)
- SQL Support: Supabase (yes) vs MongoDB (no)
How do Supabase and MongoDB compare on pricing?
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
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
Always verify current prices on the vendor site before buying.
Do Supabase and MongoDB offer a free tier?
- Supabase: Has a free tier
- MongoDB: Has a free tier
Are Supabase and MongoDB open source?
- Supabase: yes
- MongoDB: 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.