Side by side
KeyDB vs RonDB
Both stand on in-memory databases. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacSelf-hosted
KeyDB offers Redis compatibility, multiple data structures, and scaling and persistence options without a listed price. Consider its Linux recommendation, security configuration guidance, and community-only support when assessing it for deployment.
Visit KeyDB
Free plan APILinuxSelf-hosted
RonDB combines distributed storage, SQL access, and multiple deployment and replication options for real-time workloads. Its isolation and range-lock limits, along with the free plan’s quotas, are important constraints to weigh.
Visit RonDBThe facts
| KeyDB | RonDB | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Self-hosted | API, Linux, Self-hosted |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | keydb.dev | rondb.com |
| On in-memory databases | #14 of 25 | #10 of 25 |
KeyDB: what it does well
- Free and open source
- Redis clients and protocol supported
- Active replication or cluster mode
- RDB snapshots and AOF logging
- TLS, authentication, and ACLs supported
What to know first
- No official Windows build support
- Paid support is unavailable
- Linux is recommended for deployment
RonDB: what it does well
- Supports up to 1 PiB of storage
- Online horizontal and vertical scaling
- SQL-compatible access through the MySQL Server API
- Synchronous and asynchronous replication options
- Free serverless plan
What to know first
- Uses read-committed isolation
- Does not support range locks
- Free serverless plan has Feature Group and memory quotas