Best MustardOS Alternatives in 2026
Updated
20 apps from emulation frontends ranked against MustardOS on the same published basis.
- 1MustardOS vs RetroArch
- 2MustardOS vs ES-DE Frontend
- 3MustardOS vs Lakka
- 4MustardOS vs Pegasus Frontend
- 5MustardOS vs RetroHub
- 6MustardOS vs Attract-Mode
- 7MustardOS vs LaunchBox
- 8MustardOS vs RePlayOS
- 9MustardOS vs Daijishō
- 10MustardOS vs KNULLI
- 11MustardOS vs ROCKNIX
- 12MustardOS vs Batocera
- 13MustardOS vs RetroDECK
- 14MustardOS vs KRetro
- 15MustardOS vs OnionOS
- 16MustardOS vs GameEx
- 17MustardOS vs EmulationStation
- 19MustardOS vs EmulatorJS
- 20MustardOS vs HyperSpin
- 21MustardOS vs Recalbox
MustardOS alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | RetroArch | 6.8 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 2 | ES-DE Frontend | 6.6 | Free plan | Free | Android, Linux, Mac, Windows |
| 3 | Lakka | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 4 | Pegasus Frontend | 6.6 | Free plan | Free | Android, Linux, Mac, Windows |
| 5 | RetroHub | 6.6 | Free plan | Free | Linux, Mac, Windows |
| 6 | Attract-Mode | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 7 | LaunchBox | 6.5 | Free plan | Free | Android, Windows |
| 8 | RePlayOS | 6.5 | Free plan | $5/mo | API, Linux, Web |
| 9 | Daijishō | 6.4 | Free plan | Free | Android |
| 10 | KNULLI | 6.4 | Free plan | Free | Linux, self-hosted |
| 11 | ROCKNIX | 6.4 | Free plan | Free | Linux, self-hosted |
| 12 | Batocera | 6.3 | Free plan | Free | Linux, self-hosted |
| 13 | RetroDECK | 6.3 | Free plan | Free | Linux |
| 14 | KRetro | 5.5 | No | — | Linux |
| 15 | OnionOS | 5.4 | No | — | self-hosted |
| 16 | GameEx | 5.2 | No | — | Windows, Mac, Linux |
| 17 | EmulationStation | 5.1 | No | — | Windows, Linux |
| 19 | EmulatorJS | 5.0 | No | — | Web, iOS, Android |
| 20 | HyperSpin | 5.0 | No | — | Windows |
| 21 | Recalbox | 5.0 | No | — | Linux |
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Questions about MustardOS alternatives
What is the best alternative to MustardOS?
RetroArch, number 1 in emulation frontends with a score of 6.8 out of 10. The others here: ES-DE Frontend, Lakka, Pegasus Frontend and 16 more.
What is the best free alternative to MustardOS?
RetroArch is the best-ranked alternative with a free plan. 13 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.