Softwr

Database & Data Management · head to head

Google Cloud SQL vs Convex

Google Cloud SQL logo

Google Cloud SQL

Database & Data Management

Fully managed relational database service for MySQL, PostgreSQL, and SQL Server

From
Free
Rated
-
C

Convex

Database & Data Management

The reactive backend platform that keeps up with you and your agents

From
On request
Rated
-

The short version

  • Only Google Cloud SQL has a free tier, so it costs nothing to try first.
  • Each has a real cost: Google Cloud SQL locked into Google Cloud ecosystem with limited cross-cloud portability; Convex the Free and Starter tier includes only 1 million function calls and 0.5 GB of database storage per month before per-unit overage charges of $2.20 per million calls apply, as of August 2026.

Where they differ

Only the attributes on which Google Cloud SQL and Convex actually diverge.

Attributes where Google Cloud SQL and Convex differ
AttributeGoogle Cloud SQLConvex
Starting priceFreeOn request
Free tierYesNo
PlatformsGoogle Cloud PlatformWeb
Founded2008Unknown

Identical on both: pricing model (usage-based), user rating (Not yet rated), category (Database & Data Management).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Google Cloud SQL

  • High Availability
  • Automated Backups
  • Point-in-time Recovery
  • Encryption
  • Regional/Zonal Instances
  • Read Replicas
  • Private IP
  • BigQuery

Only in Convex

Nothing recorded that Google Cloud SQL does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Google Cloud SQL

  • Transaction processingnot Convex
  • Data storagenot Convex
  • Application backendnot Convex
  • Reportingnot Convex
  • Data analyticsnot Convex

Convex

No use cases recorded yet. See the Convex review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Google Cloud SQL

  • Locked into Google Cloud ecosystem with limited cross-cloud portability
  • Pay-as-you-go pricing can become expensive with unpredictable workloads
  • Limited customization options compared to self-managed databases

Convex

  • The Free and Starter tier includes only 1 million function calls and 0.5 GB of database storage per month before per-unit overage charges of $2.20 per million calls apply, as of August 2026.

Pricing, plan by plan

Google Cloud SQL

Free
  • Free TierFree
    • db-f1-micro instance
    • 30GB storage
    • Limited usage
  • Standard$25/month
    • High availability
    • Automated backups
    • Point-in-time recovery

Convex

On request

No published plan breakdown. See the Convex review.

Which should you pick?

Choose Google Cloud SQL if

  • You need high availability.
  • You want to start without paying.
  • You work on Google Cloud Platform.
  • You also want automated backups.

Choose Convex if

Nothing in the data separates Convex from Google Cloud SQL on the points above - pick on price and on how each one feels to use.

Questions people ask

Is Google Cloud SQL or Convex better?
Neither clearly leads. Google Cloud SQL starts at Free and Convex at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Google Cloud SQL or Convex?
Google Cloud SQL has a free tier; the other does not. Paid plans start at Free for Google Cloud SQL and On request for Convex.
Does Google Cloud SQL or Convex run on more platforms?
Google Cloud SQL runs on Google Cloud Platform. Convex runs on Web.
Can I use Google Cloud SQL for free?
Yes. Google Cloud SQL has a free tier, so you can try it without paying. Convex starts at On request.
What is Google Cloud SQL best used for?
Google Cloud SQL is most often used for transaction processing, data storage, application backend, reporting. Of those, transaction processing and data storage are not what Convex is typically brought in for.
What can Google Cloud SQL do that Convex cannot?
Google Cloud SQL covers High Availability, Automated Backups, Point-in-time Recovery, Encryption.

Answered from the vendors’ own pages

Google Cloud SQL: What database engines does Google Cloud SQL support?

Google Cloud SQL supports MySQL, PostgreSQL, and SQL Server. Users can choose their preferred engine when provisioning an instance and Google handles automated backups, replication, patching, and scaling.

Source
Google Cloud SQL: Does Google Cloud SQL have a free tier?

Google Cloud SQL does not have a free tier, though new users receive free trial credits from Google Cloud Platform. Pricing is based on compute resources (CPU and memory) and storage used, with options for committed use discounts.

Source
Google Cloud SQL: Can Google Cloud SQL scale automatically?

Yes. Cloud SQL automatically scales database storage and compute resources to handle increased workloads without manual intervention, and includes automated backups and high availability configurations.

Source

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