Head-to-Head Specification Audit
Supabase vs MongoDB
Open Source Firebase Alternative · Global
Specification Matrix
| Metric | Supabase | MongoDB |
|---|---|---|
| Starting Price | $25/mo | $0/moBetter |
| API Rate Limit | 500 req/min | 1000 req/minBetter |
| Target Country | Global | Global |
| Category | Database & Backend | Database & Backend |
| Compliance (vendor-stated) | GDPR, SOC2 | GDPR, SOC2, ISO27001, HIPAA, PCI-DSS, FedRAMP |
| Hosting Regions | EU-West, US-East, AP-Southeast | US-East, US-West, EU-West, AP-Singapore, AP-Sydney, AF-South-ZA |
| Native Integrations | 6 listed | 8 listedBetter |
Supabase — Key Specs
Vendor-stated- ✓PostgreSQL with RLS, Edge Functions, Realtime, Auth, Storage
- ✓pgvector extension: vector similarity search without Pinecone
- ✓SOC 2 Type II, GDPR DPA (EU data residency available)
- ✓Free tier: 500MB database + 2GB storage forever
MongoDB — Key Specs
Vendor-stated- ✓Free shared cluster (M0) stores up to 512MB permanently — no time limit
- ✓Flexible document model handles unstructured data without schema migrations
- ✓Atlas Vector Search enables semantic search on application data without Pinecone
- ✓Multi-cloud deployments span AWS, Azure, and GCP in a single Atlas cluster
Frequently Asked Questions
Which is lower-priced, Supabase or MongoDB?+
MongoDB starts at Free plan available, which is lower than Supabase at $25/mo. Verify current pricing on each vendor's website.
Which compliance frameworks do Supabase and MongoDB list?+
Both list GDPR, SOC2 in their vendor documentation. MongoDB additionally lists ISO27001, HIPAA, PCI-DSS, FedRAMP. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.
Which has a higher documented API rate limit — Supabase or MongoDB?+
MongoDB has a higher documented API rate limit at 1000 req/min versus Supabase at 500 req/min.
Which data hosting regions do Supabase and MongoDB support?+
Supabase lists hosting regions: EU-West, US-East, AP-Southeast. MongoDB lists hosting regions: US-East, US-West, EU-West, AP-Singapore, AP-Sydney, AF-South-ZA. For data residency requirements in Global, confirm exact region configuration directly with each vendor.
Data last updated: 29 August 2026 — Sourced from official vendor documentation. Not independently audited. Report incorrect information
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