PolarDB-X vs VoltDB
| PolarDB-X | VoltDB | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | api, Linux, macOS, self-hosted, Web |
| Deployment model | both | both |
| MySQL compatibility | Yes | — |
| Horizontal scaling | Yes | Yes |
| Multi-region deployment | Yes | Yes |
| HTAP workloads | Yes | — |
| Free plan | — | No |
Both are listed in Best Distributed SQL Databases. On Samsung Mobile US Press, VoltDB scores higher on our published basis.