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Amazon RDS vs Convex

Amazon RDS logo

Amazon RDS

Software

Set up, operate, and scale a relational database in the cloud

From
On request
Rated
-
Full reviewWebsite
C

Convex

Software

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

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Amazon RDS no super-user access or direct host connectivity limits advanced customization; 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 Amazon RDS and Convex actually diverge.

Attributes where Amazon RDS and Convex differ
AttributeAmazon RDSConvex
Pricing modelUnknownusage-based
PlatformsAWS Cloud, Multi-AZ, Multi-regionWeb
Founded2006Unknown

Identical on both: starting price (On request), free tier (No), user rating (Not yet rated), category (Unknown).

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 Amazon RDS

  • Multiple DB Engines
  • Automated Backups
  • Multi-AZ Deployment
  • Read Replicas
  • Encryption
  • Performance Insights
  • Automatic Scaling
  • MySQL

Only in Convex

Nothing recorded that Amazon RDS does not also cover.

What people use each for

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

Amazon RDS

  • 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.

Amazon RDS

  • No super-user access or direct host connectivity limits advanced customization
  • Pricing unpredictable and expensive compared to GCP alternatives with equivalent features
  • Limited access to system procedures and tables requiring advanced permissions
  • No Oracle RAC (Real Application Clusters) support for high-availability Oracle deployments

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

Amazon RDS

On request

No published plan breakdown. See the Amazon RDS review.

Convex

On request

No published plan breakdown. See the Convex review.

Which should you pick?

Choose Amazon RDS if

  • You need multiple db engines.
  • You work on AWS Cloud, Multi-AZ, Multi-region.
  • You also want automated backups.
Amazon RDS review

Choose Convex if

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

Convex review

Questions people ask

Is Amazon RDS or Convex better?
Neither clearly leads. Amazon RDS starts at On request and Convex at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon RDS or Convex?
Amazon RDS starts at On request and Convex at On request.
Does Amazon RDS or Convex run on more platforms?
Amazon RDS runs on AWS Cloud, Multi-AZ, Multi-region. Convex runs on Web.
What is Amazon RDS best used for?
Amazon RDS 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 Amazon RDS do that Convex cannot?
Amazon RDS covers Multiple DB Engines, Automated Backups, Multi-AZ Deployment, Read Replicas.

Answered from the vendors’ own pages

Amazon RDS: What databases does Amazon RDS support?

Amazon RDS supports Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle Database, and Microsoft SQL Server as managed database engines.

Source
Amazon RDS: Does Amazon RDS handle backups automatically?

Yes. Amazon RDS automates backup configuration, backing up your database and transaction logs. Blue/Green Deployments allow safer updates by mirroring production in staging before applying changes.

Source
Amazon RDS: How does Amazon RDS Proxy improve performance?

Amazon RDS Proxy is a managed database proxy that makes applications more scalable by reducing database connection overhead, more resilient to database failures, and more secure through built-in authentication.

Source
Amazon RDS: Does Amazon RDS provide read replicas?

Yes. Amazon RDS supports read replicas across availability zones and regions, enabling horizontal scaling of read capacity while maintaining a single write primary.

Source
Amazon RDS: Can I access the host directly via SSH or Remote Desktop?

No. Amazon RDS does not allow direct host access via SSH, Telnet, or Windows Remote Desktop Connection. Database access is limited to database clients and management console.

Source
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