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Supabase vs MongoDB Atlas
Recommendation & Best Fit
Choose Supabase if you prioritize:
- Open source with self-hosting flexibility and full code transparency
- Higher average user satisfaction rating (4.9/5)
Choose MongoDB Atlas if you prioritize:
- Lower starting entry cost ($9/mo vs $25/mo)
- Native mobile apps available on iOS and Android
Feature
Supabase
MongoDB Atlas
Rating
⭐ 4.9/5
⭐ 4.8/5
Free Plan
Starting Price
$25/mo
$9/mo
Monthly Visits
29.0M
48.0M
API Support
Open Source
AI Capabilities
Mobile App
Desktop App
Browser Extension
Integrations
6 apps
7 apps
Team Size
ENTERPRISE
ENTERPRISE
Supabase Pros & Cons
Pros
- Real PostgreSQL with zero proprietary database lock-in
- Generous free plan includes 2 active Postgres projects
- Self-hostable via Docker with 100% open source code
Cons
- Free projects pause after 7 days of inactivity (unpause with one click)
- Row Level Security requires solid understanding of SQL policies
MongoDB Atlas Pros & Cons
Pros
- Document model allows rapid schema evolution without database migrations
- Atlas Vector Search runs on the same cluster as your transactional data
- Available across all 3 major hyperscale clouds
Cons
- Memory consumption requires adequate RAM provisioning for heavy workloads
- Complex relational aggregation pipelines have a learning curve
Supabase Key Features
- Dedicated PostgreSQL Database with Full SQL Access
- Row Level Security (RLS) Rules for Fine-Grained Authorization
- Built-In Auth (OAuth, Magic Links, Passkeys)
- pgvector Extension for AI Vector Search
MongoDB Atlas Key Features
- Flexible JSON Document Data Model
- Atlas Vector Search for Generative AI Applications
- Multi-Cloud Clusters Spanning AWS, GCP, and Azure Simultaneously
- Automated Sharding & Zero-Downtime Scaling