Fauna
MongoDB Atlas
Fauna
MongoDB Atlas
Fauna
MongoDB Atlas
Fauna
MongoDB Atlas
No signals
Fauna
MongoDB Atlas
Fauna
MongoDB Atlas
Fauna
No signals
MongoDB Atlas
Users: N/A
Storage: N/A
Limits: Cannot sign up or use - service terminated
Users: N/A
Storage: 5GB (was)
Limits: Historical reference only - service shut down
Users: N/A
Storage: Pay per GB
Limits: Historical reference only - service shut down
Users: N/A
Storage: 512MB
Limits: 512MB limit, no VPC peering, no dedicated support, shared cluster performance
Users: N/A
Storage: 5GB
Limits: Variable workloads only, not for consistent high-throughput
Users: N/A
Storage: 10GB
Limits: Entry production tier, may need M30+ for significant workloads
Users: N/A
Storage: 40GB
Limits: ~$0.54/hour, still entry-level for larger workloads
| Feature | Fauna | MongoDB Atlas |
|---|---|---|
| Database | ||
| Document + Relational Was unique | ||
| Document Database (NoSQL) Flexible schemas | ||
| ACID Transactions Historical | ||
| SQL Queries FQL only | ||
| Infrastructure | ||
| Global Distribution Historical | ||
| Multi-Cloud (AWS/Azure/GCP) | ||
| Serverless Historical | ||
| Global Clusters | ||
| Search | ||
| Atlas Search Full-text search | ||
| Full-Text Search Never had | ||
| API | ||
| GraphQL Support Historical | ||
| AI | ||
| Vector Search For AI/ML apps | ||
| Status | ||
| Active Service SHUT DOWN | ||
| Reliability | ||
| Automatic Failover Replica sets | ||
| Licensing | ||
| Open Source Promised, no timeline | ||
| Pricing | ||
| Free Tier (M0) Perpetual, 512MB | ||
| Transparent Pricing Complex cost model | ||
| Features | ||
| Built-in Auth/Storage Needs external tools | ||
| Real-time Subscriptions Limited vs Supabase | ||
| Deployment | ||
| Self-Hosted Option Was cloud-only | ||
