John NESS vs openMSX
| John NESS | openMSX | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Android | Windows, macOS, Linux, Android |
| Free plan | Yes | Yes |
| Android support | — | Yes |
| BIOS required | — | Yes |
| Shader/upscaling | — | Yes |
| License | — | open-source |
Both are listed in Best Multi-System Emulators. On Samsung Mobile US Press, openMSX scores higher on our published basis.