Side by side
Empress Embedded Database vs redb
Both stand on embedded databases. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid LinuxWindows
Empress Embedded Database provides relational SQL capabilities with encryption and synchronization across several possible environments. Confirm platform availability and request pricing before adoption.
Visit Empress Embedded Database Free plan
redb offers an embedded Rust database with transactional guarantees, concurrent reads, and a stable format. Developers targeting no_std systems must meet its build requirements and provide storage themselves.
Visit redbThe facts
| Empress Embedded Database | redb | |
|---|---|---|
| Free plan | Not published | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Windows | Not published |
| Lowest paid plan | Not published | Not published |
| Plans published | None | None |
| Maker | Not published | Not published |
| Website | empress.com | redb.org |
| On embedded databases | #30 of 30 | #26 of 30 |
Empress Embedded Database: what it does well
- Relational database model
- SQL query interface
- Encryption included
- Data synchronization supported
- Supports multiple operating environments
What to know first
- Platform availability varies
- Pricing requires an inquiry
- Paid product
- Real-time support is not universal
redb: what it does well
- Free under Apache 2.0 or MIT
- ACID transactions and MVCC concurrency
- Crash-safe with savepoints and rollbacks
- Stable, maintained file format
- Zero-copy thread-safe BTreeMap API
What to know first
- no_std mode has no filesystem
- Requires custom StorageBackend in no_std
- Cortex-M0 is excluded
- Pure Rust implementation only
Alternatives to Empress Embedded Database Alternatives to redb The whole list