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Head-to-head · Databases And Backend

MongoDB Atlas vs Google Cloud SQL

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check 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
Google Cloud SQL #6 in Databases And Backend 8.8/10 Paid ✓ 0 of 4 features Visit Google Cloud

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

Our verdict

  • Highest scoreMongoDB Atlas · 9.1/10
  • Free planonly MongoDB Atlas

MongoDB Atlas scores higher on our rubric for databases and backend: 9.1 against 8.8 out of 10; our editors rank them #3 and #6.

MongoDB Atlas offers free plan; Google Cloud SQL doesn't.

MongoDB Atlas is the better fit for teams building with managed MongoDB. Google Cloud SQL is the better fit for google Cloud teams needing managed SQL engines.

  • MongoDB Atlas fits best

    Teams building with managed MongoDB

  • Google Cloud SQL fits best

    Google Cloud teams needing managed SQL engines

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Side by side

Feature MongoDB Atlas 9.1/10 Visit ↗ Google Cloud SQL 8.8/10 Visit ↗
At a glance
Editor score 9.1 8.8
Ranking #3 in Databases And Backend #6 in Databases And Backend
Best for Teams building with managed MongoDB Google Cloud teams needing managed SQL engines
Pricing model Free plan + paid Paid
Starting price $8/mo $0.04 usage-based
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Integrations 16 integrations 6 integrations
Features MongoDB Atlas 0/4 · Google Cloud SQL 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.
  • Supports managed MySQL, PostgreSQL, and SQL Server instances
  • Provides backups, point-in-time recovery, and standby failover
  • Connects with Google Cloud services, the REST API, and gcloud CLI
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.
  • No free plan; compute pricing starts at $0.0413 per vCPU per hour
  • Total cost varies by region, engine, edition, machine, and configuration
  • Enterprise Plus costs more per vCPU hour than Enterprise
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 →

Google Cloud SQL manages MySQL, PostgreSQL, and SQL Server databases in Google Cloud. It is aimed at teams that want managed relational database instances rather than taking on routine database administration themselves. The service…

Read the review →
  1. MongoDB AtlasDatabases And Backend 9.1Free plan
  2. Google Cloud SQLDatabases And Backend 8.8Paid

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.

  • Google Cloud SQL — where it wins

    • Supports managed MySQL, PostgreSQL, and SQL Server instances
    • Provides backups, point-in-time recovery, and standby failover
    • Connects with Google Cloud services, the REST API, and gcloud CLI

    Where it doesn't

    • No free plan; compute pricing starts at $0.0413 per vCPU per hour
    • Total cost varies by region, engine, edition, machine, and configuration
    • Enterprise Plus costs more per vCPU hour than Enterprise

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