Amazon DynamoDB vs Convex pricing

Verified 2026-10-24 (1 day ago)Source: Amazon DynamoDB: aws.amazon.com/dynamodb/pricing/on-demand/, Convex: www.convex.dev/pricingVerified shows the older of the two.

Monthly cost at three volumes

Monthly cost of Amazon DynamoDB and Convex at three volumes and at your own
Volume	Amazon DynamoDB	Convex
small10 gb stored (per month)	$0 / moDynamoDB Standard (on-demand)	$2.09 / moFree & Starter
growing500 gb stored (per month)	$50 / moDynamoDB Standard-IA (on-demand)	$109.89 / moFree & Starter
scale10K gb stored (per month)	$1,000 / moDynamoDB Standard-IA (on-demand)	$2,015 / moProfessional
your volumeset above	$50 / moDynamoDB Standard-IA (on-demand)	$109.89 / moFree & Starter

Each cell is the cheapest feasible plan, or the chosen model, at that volume, from the shared Overage cost function. "Cheapest model" only considers models with both an input and an output price listed. Volumes are example scenarios you can edit.

Tiers, aligned by position

Tiers of Amazon DynamoDB and Convex aligned by position: free, entry, mid, top
Position	Amazon DynamoDB	Convex
Free	no tier	$0 base + usageFree & Starter · 1,000,000 function invocations / mo
Entry	unlistedDynamoDB Standard (on-demand) · 25 gb stored (per month) / mo	$25 / moProfessional · 25,000,000 function invocations / mo
Mid	no tier	no tier
Top	unlistedDynamoDB Standard-IA (on-demand)	no tier

Tightest rate limit

Tightest documented rate limit of each service
Measure	Amazon DynamoDB	Convex
Tightest limit	unlisted	unlisted

Changes in the last 90 days

No changes recorded.

No change detected for either service in the last 90 days.