Best Apptainer Alternatives in 2026
Updated
20 platforms from container engines ranked against Apptainer on the same published basis.
- 2Apptainer vs Buildah
- 3Apptainer vs BuildKit
- 4Apptainer vs Incus
- 5Apptainer vs LXD
- 6Apptainer vs Podman
- 7Apptainer vs Moby
- 8Apptainer vs crun
- 9Apptainer vs Docker Desktop
- 10Apptainer vs gVisor
- 11Apptainer vs containerd
- 12Apptainer vs Kata Containers
- 13Apptainer vs runc
- 14Apptainer vs SingularityCE
- 15Apptainer vs Sysbox
- 16Apptainer vs youki
- 17Apptainer vs AppJail
- 18Apptainer vs Apple container
- 19Apptainer vs balenaEngine
- 20Apptainer vs Charliecloud
- 21Apptainer vs CRI-O
Apptainer alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | Buildah | 7.4 | Free plan | Free | API, Linux, self-hosted |
| 3 | BuildKit | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | Incus | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 5 | LXD | 7.3 | Free plan | $2.08/mo | API, Linux, self-hosted, Web |
| 6 | Podman | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 7 | Moby | 6.9 | No | — | API, Linux, Mac, self-hosted, Windows |
| 8 | crun | 6.0 | Free plan | Free | Linux, self-hosted |
| 9 | Docker Desktop | 6.0 | Free plan | $9/mo | Linux, Mac, Web, Windows |
| 10 | gVisor | 6.0 | Free plan | Free | Linux, self-hosted |
| 11 | containerd | 5.9 | Free plan | Free | Linux, self-hosted, Windows |
| 12 | Kata Containers | 5.2 | No | — | Linux |
| 13 | runc | 5.2 | No | — | Linux |
| 14 | SingularityCE | 5.2 | No | — | Linux |
| 15 | Sysbox | 5.2 | No | — | Linux |
| 16 | youki | 5.2 | No | — | Linux |
| 17 | AppJail | 5.1 | No | — | — |
| 18 | Apple container | 5.1 | No | — | Mac |
| 19 | balenaEngine | 5.1 | No | — | Linux |
| 20 | Charliecloud | 5.1 | No | — | Linux |
| 21 | CRI-O | 5.1 | No | — | Linux |
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Questions about Apptainer alternatives
What is the best alternative to Apptainer?
Buildah, number 2 in container engines with a score of 7.4 out of 10. The others here: BuildKit, Incus, LXD and 16 more.
What is the best free alternative to Apptainer?
Buildah is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.