Best OnionOS Alternatives in 2026
Updated
20 tools from emulation frontends ranked against OnionOS on the same published basis.
- 1OnionOS vs RetroArch
- 2OnionOS vs ES-DE Frontend
- 3OnionOS vs Lakka
- 4OnionOS vs RetroHub
- 5OnionOS vs LaunchBox
- 6OnionOS vs Pegasus Frontend
- 7OnionOS vs Attract-Mode
- 8OnionOS vs RePlayOS
- 9OnionOS vs ROCKNIX
- 10OnionOS vs Daijishō
- 11OnionOS vs KNULLI
- 12OnionOS vs KRetro
- 13OnionOS vs Batocera
- 14OnionOS vs RetroDECK
- 16OnionOS vs GameEx
- 17OnionOS vs Maximus Arcade
- 18OnionOS vs MustardOS
- 19OnionOS vs EmulationStation
- 20OnionOS vs EmulatorJS
- 21OnionOS vs HyperSpin
OnionOS alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | RetroArch | 7.9 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 2 | ES-DE Frontend | 7.3 | Free plan | Free | Android, Linux, Mac, Windows |
| 3 | Lakka | 7.3 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 4 | RetroHub | 7.3 | Free plan | Free | Linux, Mac, Windows |
| 5 | LaunchBox | 7.1 | Free plan | Free | Android, Windows |
| 6 | Pegasus Frontend | 7.1 | Free plan | Free | Android, Linux, Mac, Windows |
| 7 | Attract-Mode | 7.0 | Free plan | Free | Linux, Mac, Windows |
| 8 | RePlayOS | 7.0 | Free plan | $5/mo | API, Linux, Web |
| 9 | ROCKNIX | 6.9 | Free plan | Free | Linux, self-hosted |
| 10 | Daijishō | 6.8 | Free plan | Free | Android |
| 11 | KNULLI | 6.8 | Free plan | Free | Linux, self-hosted |
| 12 | KRetro | 6.7 | No | — | Linux |
| 13 | Batocera | 6.6 | Free plan | Free | Linux, self-hosted |
| 14 | RetroDECK | 6.6 | Free plan | Free | Linux |
| 16 | GameEx | 5.8 | No | — | Windows, Mac, Linux |
| 17 | Maximus Arcade | 5.7 | No | — | Windows |
| 18 | MustardOS | 5.6 | No | — | — |
| 19 | EmulationStation | 5.4 | No | — | Windows, Linux |
| 20 | EmulatorJS | 5.2 | No | — | Web, iOS, Android |
| 21 | HyperSpin | 5.2 | No | — | Windows |
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Questions about OnionOS alternatives
What is the best alternative to OnionOS?
RetroArch, number 1 in emulation frontends with a score of 7.9 out of 10. The others here: ES-DE Frontend, Lakka, RetroHub and 16 more.
What is the best free alternative to OnionOS?
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 on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.