GZX vs Jam Pad
| GZX | Jam Pad | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, Windows | Android |
| Free plan | Yes | Yes |
| Host platforms | Windows, Linux, HelenOS | — |
| Tape formats | TZX, TAP, WAV | — |
| Snapshot formats | Z80, SNA, AY | — |
| Built-in debugger | Yes | — |
| Open source | Yes | — |
| Peripheral support | Kempston joystick, MIDI port | — |
Both are listed in Best ZX Spectrum Emulators. On Everything Xiaomi, GZX scores higher on our published basis.