Side by side
Amazon DocumentDB vs RethinkDB
Both stand on document databases. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIWeb
Amazon DocumentDB offers managed document storage with MongoDB compatibility, serverless scaling, replicas, and integrated AWS services. Teams should verify API compatibility and account for configuration-based charges before migrating.
Visit Amazon DocumentDB
Free plan Open source APILinuxMac+3
Choose RethinkDB for a free, open-source JSON database when applications need to subscribe to changing query results. Look elsewhere if the workload requires SQL, strong schema enforcement, full ACID support, or atomic multi-document updates.
Visit RethinkDBThe facts
| Amazon DocumentDB | RethinkDB | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Yes |
| Runs on | API, Web | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Amazon DocumentDB Serverless (Standard): $0.08 a month | Free or on request |
| Plans published | 11 | 1 |
| Maker | Amazon DocumentDB | Not published |
| Website | aws.amazon.com | rethinkdb.com |
| On document databases | #6 of 28 | #2 of 28 |
Amazon DocumentDB: what it does well
- MongoDB API and driver compatibility
- Serverless automatic capacity scaling
- Up to 15 read replicas
- Storage up to 4 PiB
- 30-day trial for eligible users
What to know first
- Not every MongoDB API is supported
- Trial excludes some AWS regions
- Pricing has multiple usage dimensions
RethinkDB: what it does well
- Changefeeds send updates as query results change.
- ReQL supports joins, subqueries, geospatial queries, aggregation, and map-reduce.
- Official drivers are listed for JavaScript, Ruby, Python, and Java.
- Clusters can be sharded and replicated through a web UI or API.
- Server and client libraries use Apache License 2.0.
What to know first
- ReQL does not support SQL.
- Multi-document updates are not atomic.
- The FAQ cautions against use where full ACID support is required.
- The admin account has no password by default.
Alternatives to Amazon DocumentDB Alternatives to RethinkDB The whole list