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Database & Data Management · head to head

Convex vs DynamoDB

C

Convex

Database & Data Management

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

From
On request
Rated
-
DynamoDB logo

DynamoDB

Database & Data Management

Fast, flexible NoSQL database service for any scale

From
On request
Rated
-

The short version

  • Each has a real cost: 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.; DynamoDB noSQL-only; does not support complex relational queries or SQL joins

Where they differ

Only the attributes on which Convex and DynamoDB actually diverge.

Attributes where Convex and DynamoDB differ
AttributeConvexDynamoDB
PlatformsWebAWS
FoundedUnknown2006

Identical on both: starting price (On request), pricing model (usage-based), free tier (No), 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 Convex

Nothing recorded that DynamoDB does not also cover.

Only in DynamoDB

  • Single-digit Millisecond Latency
  • Serverless
  • Auto-scaling
  • Global Tables
  • Point-in-time Recovery
  • Encryption
  • Streams
  • Lambda

What people use each for

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

Convex

No use cases recorded yet. See the Convex review.

DynamoDB

  • High-scale, variable-workload applicationsnot Convex
  • Mobile and IoT device backendsnot Convex
  • Real-time analytics and dashboardsnot Convex
  • Multi-region, globally distributed applicationsnot Convex

Where each one falls short

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

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.

DynamoDB

  • NoSQL-only; does not support complex relational queries or SQL joins
  • Limited query flexibility; requires thinking in terms of keys and indexes rather than ad-hoc queries

Pricing, plan by plan

Convex

On request

No published plan breakdown. See the Convex review.

DynamoDB

On request

No published plan breakdown. See the DynamoDB review.

Which should you pick?

Choose Convex if

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

Choose DynamoDB if

  • You need single-digit millisecond latency.
  • You work on AWS.
  • You also want serverless.

Questions people ask

Is Convex or DynamoDB better?
Neither clearly leads. Convex starts at On request and DynamoDB at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Convex or DynamoDB?
Convex starts at On request and DynamoDB at On request.
Does Convex or DynamoDB run on more platforms?
Convex runs on Web. DynamoDB runs on AWS.
What can Convex do that DynamoDB cannot?
DynamoDB covers Single-digit Millisecond Latency, Serverless, Auto-scaling, Global Tables.

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