Grid 3 vs Speech Assistant AAC
| Grid 3 | Speech Assistant AAC | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | iOS | Android, iOS, macOS |
| Free plan | No | Yes |
| Symbol system | hybrid | hybrid |
| Speech output | Yes | Yes |
| Access methods | touch, keyguards, eye gaze, switches, pointer devices, voice activation | Touch; external switch through iOS Switch Control in the separate Speech Assist Switch version; iOS head tracking is not verified for the ASoft product. |
| Supported platforms | Windows and iPad | iOS (iPhone, iPad, Apple Watch); Android |
| Layout customization | fully_customizable | fully_customizable |
| Offline use | — | Yes |
Both are listed in Best AAC Communication Software. On Samsung Mobile US Press, Speech Assistant AAC scores higher on our published basis.