Delta vs Retra
| Delta | Retra | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | iOS, macOS | Android |
| Free plan | Yes | Yes |
| Open source | Yes | Yes |
| Platform scope | — | mobile |
| Save states | — | Yes |
| Cheat support | — | Yes |
| Graphics enhancements | — | Yes |
Both are listed in Best Game Boy Advance Emulators. On Samsung Mobile US Press, Retra scores higher on our published basis.