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Head-to-head · Databases And Backend

MongoDB Atlas vs Supabase

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score MongoDB Atlas #3 in Databases And Backend 9.1/10 Free plan Free plan✓ 0 of 4 features Visit MongoDB Atlas
Supabase #8 in Databases And Backend 8.6/10 Free plan Free plan✓ 0 of 4 features Visit Supabase

MongoDB Atlas leads on 1 check, Supabase on 0, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMongoDB Atlas · 9.1/10
  • Lowest starting priceMongoDB Atlas · $8/mo
  • Free planboth

MongoDB Atlas scores higher on our rubric for databases and backend: 9.1 against 8.6 out of 10; our editors rank them #3 and #8.

MongoDB Atlas is cheaper to start at $8/mo against $25/mo.

MongoDB Atlas is the better fit for teams building with managed MongoDB. Supabase is the better fit for developers seeking a Postgres-centered app backend.

  • MongoDB Atlas fits best

    Teams building with managed MongoDB

  • Supabase fits best

    Developers seeking a Postgres-centered app backend

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Side by side

Feature MongoDB Atlas 9.1/10 Visit ↗ Supabase 8.6/10 Visit ↗
At a glance
Editor score 9.1 8.6
Ranking #3 in Databases And Backend #8 in Databases And Backend
Best for Teams building with managed MongoDB Developers seeking a Postgres-centered app backend
Pricing model Free plan + paid Free plan + paid
Starting price $8/mo (best) $25/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web
Features MongoDB Atlas 0/4 · Supabase 0/4
Built-in auth Not checked yet Not checked yet
Realtime data sync Not checked yet Not checked yet
Serverless functions Not checked yet Not checked yet
File storage Not checked yet Not checked yet
Specs
Database model Not checked yet Not checked yet
Deployment model Not checked yet Not checked yet
API style Not checked yet Not checked yet
Our review
Pros
  • Offers free, usage-based, and dedicated cluster options.
  • Supports transactions, full-text search, and vector search.
  • Automates backups and scaling across three cloud providers.
  • Dedicated Postgres with generated REST and GraphQL APIs
  • Combines authentication, Edge Functions, realtime, and file storage
  • Offers point-in-time recovery and read replicas across regions
Cons
  • Free clusters have 512 MB of storage and shared compute.
  • Flex costs vary with usage and can reach $30 per month.
  • Dedicated clusters are billed hourly, so costs depend on configuration and use.
  • Free projects are limited to 500 MB database size and 5 GB egress
  • Compute and disk sizing controls require manual scaling
  • Team starts at $599 per month, above the $25 Pro plan
Our verdict

MongoDB Atlas is a managed cloud service for MongoDB document databases, aimed at developers and engineering teams building applications with BSON or JSON-compatible data. It hosts clusters on AWS, Google Cloud, and Azure, while automating…

Read the review →

Supabase brings a dedicated Postgres database together with generated REST and GraphQL APIs, authentication with Row Level Security, Edge Functions, realtime data synchronization, and file storage. It is aimed at developers and teams…

Read the review →
  1. MongoDB AtlasDatabases And Backend 9.1Free plan
  2. SupabaseDatabases And Backend 8.6Free plan

Strengths and trade-offs

  • MongoDB Atlas — where it wins

    • Offers free, usage-based, and dedicated cluster options.
    • Supports transactions, full-text search, and vector search.
    • Automates backups and scaling across three cloud providers.

    Where it doesn't

    • Free clusters have 512 MB of storage and shared compute.
    • Flex costs vary with usage and can reach $30 per month.
    • Dedicated clusters are billed hourly, so costs depend on configuration and use.

  • Supabase — where it wins

    • Dedicated Postgres with generated REST and GraphQL APIs
    • Combines authentication, Edge Functions, realtime, and file storage
    • Offers point-in-time recovery and read replicas across regions

    Where it doesn't

    • Free projects are limited to 500 MB database size and 5 GB egress
    • Compute and disk sizing controls require manual scaling
    • Team starts at $599 per month, above the $25 Pro plan

More comparisons

All databases and backend comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update