🤝 It's a Tie — Both tools are very closely matched. Your best choice depends on your specific workflow.
Feature
Firebase
Supabase
Rating
No ratings
No ratings
Free Plan
Starting Price
Free
$25/mo
Monthly Visits
70.0M
10.0M
API Support
Open Source
AI Capabilities
Mobile App
Desktop App
Browser Extension
Integrations
3 apps
6 apps
Team Size
ENTERPRISE
SMB
Firebase Pros & Cons
Pros
- Extremely fast to get a mobile/web backend running
- Real-time data sync works well out of the box
- Deep integration with Google Cloud and Gemini
Cons
- NoSQL querying limitations can complicate relational data
- Costs can escalate unpredictably at scale
- Vendor lock-in to Google's ecosystem
Supabase Pros & Cons
Pros
- Full PostgreSQL with no vendor lock-in
- Generous free tier for indie projects
- Excellent developer experience and dashboard
Cons
- Edge functions are limited vs AWS Lambda
- Less mature ecosystem vs Firebase
- Cold-start delays on serverless functions
Firebase Key Features
- Firestore & Realtime Database
- Firebase Authentication
- Cloud Functions
- Hosting & App Distribution
- Crashlytics & Analytics
Supabase Key Features
- PostgreSQL Database
- Row-Level Security
- Real-time Subscriptions
- Authentication & OAuth
- Edge Functions