Our take
Pick Convex if typeScript app teams who will stay on Free $0 (1M function calls, 0.5 GB database, 1–6 developers) while they ship a prototype, then buy Professional at $25 per developer / month when they need 25M calls, log streaming, and daily backups. Pick PlanetScale if app teams who will start Base at $5/month (single-node Postgres) or $30/month (PS-10 arm64 HA in us-east-1) while they open a first Cluster
reactive TypeScript backend
branching database desk
Best for
Convex A hosted backend you start at $0, then $25 per developer
PlanetScale A cluster you start at $5 / $30
Free plan
Convex $0 · /month. 1–6 developers. 1M function calls then $2.20/1M (Starter pay-as-you-go). 20 GB-hours of action compute then $0.33/GB-hour. 0.5 GB database then $0.22/GB. 1 GB files then $0.033/GB. 0.5 GB search then $0.55/GB. 1 GB database I/O then $0.22/GB. 3,000 search query-GBs then $0.11/1K. 1 GB egress then $0.132/GB. 40 deployments. 1,000 concurrent sessions. Query/mutation compute is free
PlanetScale No free plan
Lowest paid
Convex Business & Enterprise $2/mo
PlanetScale Storage overage $0.50
Next step up
Convex Professional $25
PlanetScale Postgres single-node $5/mo
Runs where
Convex Hosted
PlanetScale
Watch out
Convex Free is 1M function calls and 0.5 GB of database
PlanetScale There is no $0 Hobby card
Last checked
Convex 2026-10-22 · convex.dev/pricing
PlanetScale 2026-10-23 · planetscale.com/pricing.md
typeScript app teams who will stay on Free $0 (1M function calls, 0.5 GB database, 1–6 developers) while they ship a prototype, then buy Professional at $25 per developer / month when they need 25M calls, log streaming, and daily backups.
Read the Convex pageapp teams who will start Base at $5/month (single-node Postgres) or $30/month (PS-10 arm64 HA in us-east-1) while they open a first Cluster configuration screen, then add $5 PS-DEV branches or extra production SKUs when they need a deploy-request workflow.
Read the PlanetScale page