kpack vs rules_img
| kpack | rules_img | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, self-hosted | Linux, macOS |
| Build method | daemonless | daemonless |
| Build cache backends | multiple | multiple |
| Multi-architecture builds | — | Yes |
Both are listed in Best Container Build Tools. On Specifiction, kpack scores higher on our published basis.