Best Apptainer Alternatives in 2026
Updated
20 apps from container engines ranked against Apptainer on the same published basis.
- 2Apptainer vs BuildKit
- 3Apptainer vs Docker Desktop
- 4Apptainer vs Incus
- 5Apptainer vs containerd
- 6Apptainer vs LXD
- 7Apptainer vs Podman
- 8Apptainer vs Buildah
- 9Apptainer vs crun
- 10Apptainer vs gVisor
- 11Apptainer vs Kata Containers
- 12Apptainer vs Moby
- 13Apptainer vs ocijail
- 14Apptainer vs Apple container
- 15Apptainer vs balenaEngine
- 16Apptainer vs Charliecloud
- 17Apptainer vs CRI-O
- 18Apptainer vs Enroot
- 19Apptainer vs Inclavare Containers
- 20Apptainer vs LXC
- 21Apptainer vs PouchContainer
Apptainer alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | BuildKit | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 3 | Docker Desktop | 6.6 | Free plan | $9/mo | Linux, Mac, Web, Windows |
| 4 | Incus | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 5 | containerd | 6.5 | Free plan | Free | Linux, self-hosted, Windows |
| 6 | LXD | 6.5 | Free plan | $2.08/mo | API, Linux, self-hosted, Web |
| 7 | Podman | 6.5 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 8 | Buildah | 6.4 | Free plan | Free | API, Linux, self-hosted |
| 9 | crun | 6.4 | Free plan | Free | Linux, self-hosted |
| 10 | gVisor | 6.4 | Free plan | Free | Linux, self-hosted |
| 11 | Kata Containers | 6.4 | Free plan | Free | Linux, self-hosted |
| 12 | Moby | 5.6 | No | — | API, Linux, Mac, self-hosted, Windows |
| 13 | ocijail | 5.3 | No | — | self-hosted |
| 14 | Apple container | 5.2 | No | — | Mac |
| 15 | balenaEngine | 5.2 | No | — | Linux |
| 16 | Charliecloud | 5.2 | No | — | Linux |
| 17 | CRI-O | 5.2 | No | — | Linux |
| 18 | Enroot | 5.2 | No | — | Linux |
| 19 | Inclavare Containers | 5.2 | No | — | Linux |
| 20 | LXC | 5.2 | No | — | Linux |
| 21 | PouchContainer | 5.2 | No | — | Linux |
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Questions about Apptainer alternatives
What is the best alternative to Apptainer?
BuildKit, number 2 in container engines with a score of 6.6 out of 10. The others here: Docker Desktop, Incus, containerd and 16 more.
What is the best free alternative to Apptainer?
BuildKit is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.