Apptainer vs Sysbox
| Apptainer | Sysbox | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, macOS, self-hosted, Windows | Linux |
| Free plan | Yes | Yes |
| Rootless mode | Yes | Yes |
| Image building | Yes | Yes |
| Windows containers | No | No |
| Image format | both | oci |
| Runtime interface | other | other |
| Supported host OS | Linux; Windows via WSL2; macOS via Linux VM | Ubuntu 24.04, Ubuntu 22.04, Ubuntu 20.04, Ubuntu 18.04, Debian 11, Debian 10, Fedora 34–37, Rocky Linux 8, AlmaLinux 8–9, CentOS Stream, Amazon Linux 2, Amazon Linux 2023, Red Hat Enterprise Linux, Flatcar |
Both are listed in Best Container Engines, Best Container Runtime Software. On Inferse, Apptainer scores higher on our published basis.