Dataform vs Polars
| Dataform | Polars | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | api, Web | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Deployment model | cloud | hybrid |
| Transformation interface | sql | code |
| Supported data formats | SQLX, JavaScript, JSON | CSV, JSON, Parquet, Delta Lake, Avro, Excel, Feather, Arrow IPC |
| Version control | Yes | — |
| Workflow orchestration | Yes | Yes |
| Data quality checks | Yes | — |
Both are listed in Best Data Transformation Tools. On Everything Xiaomi, Polars scores higher on our published basis.