Side by side
Couchbase Server vs SingleStore Helios
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
Couchbase Server offers a free edition and a subscription edition with additional stated support and security provisions. Check the five-node Community limit and Enterprise pricing before choosing an edition.
Visit Couchbase Server Free plan APILinuxMac+3
Helios brings varied data capabilities and ingestion options to a managed cloud database, with separate Shared, Standard, and Enterprise plans. Check the deployment-specific availability commitment and plan features against your workload needs.
Visit SingleStore HeliosThe facts
| Couchbase Server | SingleStore Helios | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | Not published | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | See the plans |
| Plans published | 2 | 4 |
| Maker | Not published | SingleStore Helios |
| Website | couchbase.com | singlestore.com |
| On in-memory databases | #16 of 25 | #12 of 25 |
Couchbase Server: what it does well
- Free Community Edition has no license cost.
- Supports JSON and binary documents.
- Includes transactions and vector search.
- Managed cloud deployment is available.
- Enterprise includes support with service-level commitments.
What to know first
- Community Edition is limited to 5 nodes.
- Enterprise pricing is not publicly listed.
- Maximum document size is 20.0 MB.
SingleStore Helios: what it does well
- Available on AWS, Google Cloud, and Microsoft Azure.
- Storage scales independently from compute.
- Supports transactional and analytical workloads in one database.
- Pipelines ingest from Kafka, Amazon S3, and HDFS.
- Enterprise lists audit logging and managed encryption keys.
What to know first
- Shared workspace is for non-production use and includes self-support.
- Listed availability varies by deployment configuration.
- No monthly backup retention beyond seven days is listed.
Alternatives to Couchbase Server Alternatives to SingleStore Helios The whole list