Amazon DynamoDB vs SuperMassive
Amazon DynamoDB
aws.amazon.com
SuperMassive
supermassivedb.comSide by side
| Figure | Amazon DynamoDB | SuperMassive |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 4 | 1 |
| Spec score · Key-Value Databases | 9.1 (#2) | 7.6 (#15) |
| License | DynamoDB Local is proprietary AWS software licensed for internal use with an AWS account; redistribution, modification, sublicensing, and reverse engineering are prohibited. | The project is licensed under BSD-3-Clause. |
| Scaling | DynamoDB has no servers to provision or patch and can automatically scale tables, including scaling to zero in on-demand mode. | The database distributes data across shards and supports adding nodes to scale horizontally. |
| Security | Customer data is encrypted in transit and at rest by default, and access can be controlled with IAM policies down to specific items and attributes. | The documentation describes username and password client authentication, shared keys for node communication, and optional TLS. |
Plans
Amazon DynamoDB
- Free tierFree
- On-demand capacityPrice not published
- Provisioned capacityPrice not published
- DynamoDB Free TierFree
In their own words
Amazon DynamoDB
Amazon DynamoDB is a serverless, managed NoSQL database for applications that need single-digit millisecond performance at any scale, according to AWS. Users do not provision or patch database servers, and tables can scale automatically, including to zero in on-demand mode. Primary keys and global or local secondary indexes provide ways to query data. Global tables support multi-Region, multi-active operation; AWS says they are designed for up to 99.999% availability. The database also supports native vector search for similarity searches and agent memory use cases. Data is encrypted in transit and at rest by default, and IAM policies can restrict access to specific items and attributes. Point-in-time recovery provides continuous, per-second backups and restoration within a configured period of 1 to 35 days. A free tier is listed with 25 WCUs, 25 RCUs, and 25 GB of storage per Region and payer account, among other limits. On-demand capacity is billed per request consumed; provisioned capacity is billed for specified capacity even if usage is lower.
SuperMassive
SuperMassive is a self-hosted, open-source key-value database built for in-memory work, durability, and low latency. It spreads data across shards, and additional nodes can expand capacity horizontally. Writes rotate among primary nodes in sequence; reads run in parallel across primaries and, when needed, replicas. The project describes automatic failover and recovery when a node fails. Timestamp-based versioning settles conflicts in favor of the latest value. Commands include PUT, GET, DEL, INCR, DECR, REGX, STAT, RCNF, and PING. Nodes journal operations, while replicas copy any missing journal entries from their primary. Client connections use username-and-password authentication; nodes can use shared keys, and TLS is optional. Linux, macOS, and Windows builds are available as binaries or source, under the BSD-3-Clause license. The README identifies two limits: no transactions and only one user. GitHub marks the repository archived and read-only as of May 6, 2026.