# ChartDB vs KeyDB — Fit & Features

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

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

## Compare fit, features, and limitations

### ChartDB
Database diagram and data modeling tool to visualize and design schemas with a single query. Create ER diagrams, collaborate, and export DDL scripts.
Best fit: People and teams evaluating databases & data platforms for a specific workflow.
- Data workflows
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://chartdb.io/pricing
- [Read ChartDB profile](https://trutool.co/tools/chartdb): Read ChartDB 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