# Convex vs KeyDB — Fit & Features

Canonical: https://trutool.co/compare/convex-vs-keydb
Author: Snehil (https://trutool.co/authors/snehil)

Compare Convex and KeyDB by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Convex
Build reactive application backends with a managed database and server functions.
Best fit: Developers choosing storage and backend services for applications.
- Reactive database
- Server functions
- Backend workflows
Before you choose: Benchmark queries and verify backup, recovery, access control, compatibility, and hosting costs.
Pricing: https://www.convex.dev/pricing
- [Read Convex profile](https://trutool.co/tools/convex): Read Convex profile

### KeyDB
Use a multithreaded in-memory database for compatible Redis workloads.
Best fit: Developers choosing storage and backend services for applications.
- In-memory database
- Caching
- Redis compatibility
Before you choose: Benchmark queries and verify backup, recovery, access control, compatibility, and hosting costs.
Pricing: https://docs.keydb.dev
- [Read KeyDB profile](https://trutool.co/tools/keydb): Read KeyDB profile