Updated for 2026
Supabasevs
Firebase
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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Firebase
Firebase is a Backend-as-a-Service (BaaS) platform launched by James Tamplin and Andrew Lee in April 2012. Acquired by Google in October 2014, it is now the largest and most mature mobile and web full-stack development platform globally. Firebase is Google's complete app backend suite, centered on Firestore/Realtime Database, with authentication and storage.
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| Feature | Supabase | Firebase |
|---|---|---|
| Released | 2020 | 2011 |
| Company | Supabase | |
| Country | United States | United States |
| Region / Availability | Multi-region (global) | Multi-region (Google Cloud) |
Pricing comparison
| Plan | Supabase | Firebase |
|---|---|---|
| Model | freemium | freemium |
| 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 | Spark: FreeFirestore 1GB、Realtime Database 1GB、Cloud Storage 5GB |
| 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 | Blaze: Pay as you gohttps://firebase.google.com/pricing |
| Plan 3 | Team: $599/moDesigned for team collaboration, it adds features such as single sign-on, backup control, and industry authentication. | — |
Feature checklist
| Feature | Supabase | Firebase |
|---|---|---|
| Open Source | ✓https://github.com/supabase/supabase | ✗ |
| Self-host Option | ✓ | ✗ |
| ACID | Full ACID via underlying Postgres | Document/transactional guarantees; not full RDBMS ACID |
| Index Support | Postgres indexes + pgvector / full-text options | Single-field and composite indexes (Firestore) |
| Concurrency | Strong MVCC concurrency from Postgres | Very high for realtime document sync |
| Scalability | Managed scale + read replicas; branching for previews | Autoscaling serverless backend on Google Cloud |
| 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 | Mobile/web BaaS with Firestore realtime sync, auth, and storage |
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
Firebase
- Dual NoSQL databases: Firestore + Realtime Database
- Mature mobile/web BaaS ecosystem
- Realtime + auth + storage out of the box
- Deep Google Cloud integrations
- NoSQL model — not SQL/Postgres
- Vendor lock-in concerns
- Query flexibility can frustrate SQL-first teams
Dimension scores
Editorial 0–10 scores across shared dimensions — higher is better for that axis.
| Dimension | Supabase | Firebase |
|---|---|---|
| Capability | 9.0 | 8.5 |
| Privacy | 8.5 | 5.5 |
| Value | 8.5 | 7.0 |
| Depth | 8.5 | 9.0 |
| Ecosystem | 9.0 | 9.5 |
| DX | 9.0 | 8.0 |
- Supabase
- Firebase
FAQ
Is Supabase better than Firebase? (2026)
It depends on workflow. Supabase emphasizes open-source firebase alternative built on postgres with auth, storage, and realtime. Firebase emphasizes google’s app platform with firestore/realtime db, auth, storage, and hosting. Use the feature checklist above for your stack.
Which use cases fit Supabase vs Firebase?
- Supabase: Postgres-backed BaaS with auth, storage, realtime, and vectors
- Firebase: Mobile/web BaaS with Firestore realtime sync, auth, and storage
What are the main differences between Supabase and Firebase?
- Open Source: Supabase (yes) vs Firebase (no)
- Self-host Option: Supabase (yes) vs Firebase (no)
- ACID: Supabase (Full ACID via underlying Postgres) vs Firebase (Document/transactional guarantees; not full RDBMS ACID)
- Index Support: Supabase (Postgres indexes + pgvector / full-text options) vs Firebase (Single-field and composite indexes (Firestore))
- Concurrency: Supabase (Strong MVCC concurrency from Postgres) vs Firebase (Very high for realtime document sync)
How do Supabase and Firebase 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
Firebase pricing overview:
- Has a free tier
- Pricing model: freemium
- Starting from ~$0/mo
- Plan Spark: Free
- Plan Blaze: Pay as you go
Always verify current prices on the vendor site before buying.
Do Supabase and Firebase offer a free tier?
- Supabase: Has a free tier
- Firebase: Has a free tier
Are Supabase and Firebase open source?
- Supabase: yes
- Firebase: no
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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.