Supabase vs MongoDB Atlas
The open source Firebase alternative with Postgres
vs. Managed MongoDB with search, vector, stream processing
Pricing tiers
Supabase
Free
Perfect for experiments. Projects pause after 7 days inactivity.
Free
Pro
Production-ready. Usage-based overages apply.
$25/mo
Team
For teams; includes SOC2 attestation and priority support.
$599/mo
Enterprise
Custom quotas, HIPAA compliance, dedicated support.
Custom
MongoDB Atlas
M0 — Free
Shared cluster, 512 MB storage, 100 ops/sec, 32 MB sort memory. Learning/exploration.
Free
Flex — Serverless
Autoscales 0-500 ops/sec. 5 GB storage. Pay-as-you-go, up to ~$30/mo.
$8/mo
M2 — Shared
Shared, 2 GB storage. Staging / small apps.
$9/mo
M5 — Shared
Shared, 5 GB storage.
$25/mo
M10 — Dedicated
2 GB RAM, 2 vCPU, 10-128 GB storage. First dedicated tier.
$57/mo
M20 — Dedicated
4 GB RAM, 2 vCPU, 20-256 GB storage.
$144/mo
M30 — Dedicated
8 GB RAM, 2 vCPU, 40-512 GB storage.
$389/mo
M40 — Dedicated
16 GB RAM, 4 vCPU, 80 GB-1 TB storage.
$749/mo
M50 — Dedicated
32 GB RAM, 8 vCPU, 160 GB-4 TB storage.
$1440/mo
M60 — Dedicated
64 GB RAM, 16 vCPU.
$2844/mo
M80 — Dedicated
128 GB RAM, 32 vCPU, 750 GB-4 TB.
$5256/mo
M300 — Dedicated
384 GB RAM, 96 vCPU.
$15732/mo
Enterprise
Multi-region Advanced, private network, BYOK, dedicated support.
Custom
Free-tier quotas head-to-head
Comparing free on Supabase vs m0 on MongoDB Atlas.
| Metric | Supabase | MongoDB Atlas |
|---|---|---|
| backups | — | 0 backups |
| bandwidth gb | 5 GB/month | — |
| db storage gb | 0.5 GB | — |
| edge invocations | 500000 invocations/month | — |
| file storage gb | 1 GB | — |
| mau | 50000 users/month | — |
| ops per sec | — | 100 ops/sec |
| realtime messages | 2000000 messages/month | — |
| sort memory mb | — | 32 MB |
| storage gb | — | 0.5 GB |
Features
Supabase · 24 features
- Authentication — Complete JWT-based auth: passwords, magic links, OTP, OAuth, SSO, phone, MFA.
- Backups & PITR — Automatic daily backups + Point-in-Time Recovery (WAL-G). 14-day default PITR wi…
- Compute Instances — Upgradeable DB compute: Micro, Small, Medium, Large. Affects CPU, RAM, and conne…
- Connection Pooling — Supavisor pooler: Session mode (persistent) and Transaction mode (serverless). D…
- Cron Jobs — Scheduled recurring jobs via pg_cron. Trigger DB functions, edge functions, or H…
- Custom Domains — Configure custom hostname for API endpoints with SSL certificate management.
- Database Webhooks — Async HTTP callbacks on INSERT/UPDATE/DELETE via pg_net extension.
- Edge Functions — TypeScript (Deno runtime) functions deployed globally at the edge. Supports secr…
- Full-Text Search — PostgreSQL native FTS: to_tsvector, to_tsquery, GIN indexes, fuzzy matching, wei…
- Image Transformations — On-the-fly resize, crop, quality (20-100), WebP auto-format. Smart CDN caching. …
- Log Drains — Route all stack logs to HTTP, Datadog, Loki, Sentry, S3, OTLP, or Axiom. Up to 2…
- Metrics API — ~200 Prometheus-compatible Postgres metrics. OpenTelemetry export to Datadog, Gr…
- Network Restrictions — CIDR allowlist for database access. Multiple IP ranges supported. Pro+ plan.
- OAuth 2.1 Server — Use Supabase Auth as OAuth provider. Custom Access Token Hooks for claim injecti…
- pgvector — Store and search vector embeddings in Postgres. Supports HNSW/Flat indexes, cosi…
- PostgreSQL Database — Full PostgreSQL per project: SQL editor, table editor, CSV import, 50+ extension…
- PostgreSQL Extensions — 50+ pre-installed extensions: uuid-ossp, pgvector, pg_cron, plv8, pgtap, pg_net,…
- Preview Branches — Ephemeral or persistent DB branches for isolated testing. Git integration, auto-…
- Queues — Exactly-once message queues built on pgmq. Stored in Postgres with configurable …
- Read Replicas — Async read-only replicas in multiple regions. Geo-routing, replication lag monit…
- Realtime — WebSocket subscriptions for DB changes (INSERT/UPDATE/DELETE), broadcast, and pr…
- Row Level Security — SQL-native access control; policies auto-filter rows based on auth.uid() / auth.…
- SSL Enforcement — Require TLS for all DB connections. Configurable: required, preferred, disabled.
- Storage — Files, Analytics (Iceberg), and Vector buckets with global CDN (285+ cities) and…
MongoDB Atlas · 14 features
- Atlas App Services — Backend-as-a-service: Functions, HTTPS endpoints, users + auth, sync.
- Atlas Charts — Embedded dashboards + visualizations from Atlas data.
- Atlas Database — Core MongoDB with automated backups, monitoring, scaling on AWS/Azure/GCP.
- Atlas Data Federation — Query across Atlas, S3, and HTTP endpoints in one pipeline.
- Atlas Device Sync (Realm) — Offline-first mobile DB that syncs bidirectionally with Atlas.
- Atlas Search — Apache Lucene-based full-text search integrated into MongoDB aggregation pipelin…
- Atlas Stream Processing — Continuous processing of MongoDB change streams + Kafka. Pipeline aggregations o…
- Atlas Triggers — Database change triggers, scheduled triggers. Run Atlas Functions (Node.js).
- Atlas Vector Search — Vector similarity search via $vectorSearch operator. HNSW index. Up to 4096 dims…
- BYOK Encryption — Bring your own KMS key (AWS KMS, Azure Key Vault, GCP KMS).
- Data API — Read/write via REST. Alternative to drivers for edge/serverless.
- Multi-Region Clusters — Single cluster distributed across multiple regions for HA + low latency.
- Online Archive — Tiered storage: automatic cold data movement to cheaper S3-backed storage.
- Private Networking — VPC Peering, PrivateLink, CIDR allowlist.
Developer interfaces
| Kind | Supabase | MongoDB Atlas |
|---|---|---|
| CLI | Supabase CLI | Atlas CLI, MongoDB Shell (mongosh) |
| SDK | C# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDK | Atlas Device SDK (Realm), MongoDB Go Driver, MongoDB Java Driver, MongoDB .NET/C# Driver, mongodb (Node driver), mongodb (Rust), pymongo |
| REST | Management API, REST API (PostgREST) | Atlas Admin API, Atlas Data API |
| GRAPHQL | GraphQL (pg_graphql) | — |
| MCP | Supabase MCP Server | MongoDB MCP Server |
| OTHER | Realtime (WebSocket) | MongoDB Compass (GUI), MongoDB Wire Protocol |
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