Firebase
Google full BaaS with Firestore Realtime DB auth hosting and cloud functions
- Pricing
- Free Spark / Blaze pay-as-you-go
- Type
- Full BaaS
- Tier
- free
Firebase vs MongoDB Atlas vs Supabase
Comparing three database/baas tools to help you choose the right one for your project in 2026.
MongoDB Atlas
Managed MongoDB with serverless scaling search and vector database capabilities
- Pricing
- Free (512MB) / Flex $8/mo
- Type
- NoSQL Database
- Tier
- free
Supabase
Open-source Firebase alternative with Postgres auth storage realtime and edge functions
- Pricing
- Free (500MB) / Pro $25/mo
- Type
- Full BaaS
- Tier
- free
Side-by-side comparison
| Dimension | Firebase | MongoDB Atlas | Supabase |
|---|---|---|---|
| Category | Database/BaaS | Database/BaaS | Database/BaaS |
| Platform | Full BaaS | NoSQL Database | Full BaaS |
| Pricing | Free Spark / Blaze pay-as-you-go | Free (512MB) / Flex $8/mo | Free (500MB) / Pro $25/mo |
| Tier | free | free | free |
Head-to-head comparisons
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