Best MustardOS Alternatives in 2026
Updated
20 apps from emulation frontends ranked against MustardOS on the same published basis.
- 1MustardOS vs ES-DE Frontend
- 2MustardOS vs LaunchBox
- 3MustardOS vs RetroArch
- 4MustardOS vs Pegasus Frontend
- 5MustardOS vs Daijishō
- 6MustardOS vs KNULLI
- 7MustardOS vs RetroHub
- 8MustardOS vs ROCKNIX
- 9MustardOS vs Lakka
- 10MustardOS vs Batocera
- 11MustardOS vs EmulatorJS
- 12MustardOS vs RetroDECK
- 13MustardOS vs RePlayOS
- 14MustardOS vs Recalbox
- 15MustardOS vs GameEx
- 16MustardOS vs RetroBat
- 17MustardOS vs RetroPie
- 18MustardOS vs OnionOS
- 19MustardOS vs Attract-Mode
- 20MustardOS vs KRetro
MustardOS alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ES-DE Frontend | 9.6 | Free plan | Free | Android, Linux, Mac, Windows |
| 2 | LaunchBox | 9.6 | Free plan | Free | Android, Windows |
| 3 | RetroArch | 9.6 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 4 | Pegasus Frontend | 9.3 | Free plan | Free | Android, Linux, Mac, Windows |
| 5 | Daijishō | 8.3 | Free plan | Free | Android |
| 6 | KNULLI | 7.3 | Free plan | Free | Linux, self-hosted |
| 7 | RetroHub | 7.3 | Free plan | Free | Linux, Mac, Windows |
| 8 | ROCKNIX | 7.2 | Free plan | Free | Linux, self-hosted |
| 9 | Lakka | 7.0 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 10 | Batocera | 6.6 | No | — | Linux |
| 11 | EmulatorJS | 6.5 | No | — | Web, iOS, Android |
| 12 | RetroDECK | 6.4 | Free plan | Free | Linux |
| 13 | RePlayOS | 6.4 | Free plan | $5/mo | API, Linux, Web |
| 14 | Recalbox | 6.3 | No | — | Linux |
| 15 | GameEx | 6.3 | No | — | Windows, Mac, Linux |
| 16 | RetroBat | 6.2 | No | — | Windows |
| 17 | RetroPie | 6.0 | No | — | Linux |
| 18 | OnionOS | 5.9 | No | — | self-hosted |
| 19 | Attract-Mode | 5.7 | No | — | Windows, Mac, Linux |
| 20 | KRetro | 5.7 | No | — | Linux |
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Questions about MustardOS alternatives
What is the best alternative to MustardOS?
ES-DE Frontend, number 1 in emulation frontends with a score of 9.6 out of 10. The others here: LaunchBox, RetroArch, Pegasus Frontend and 16 more.
What is the best free alternative to MustardOS?
ES-DE Frontend is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.