Asterics AAC vs Sayella
| Asterics AAC | Sayella | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, iOS, Linux, macOS, self-hosted, Web, Windows | iOS |
| Free plan | Yes | Yes |
| Symbol system | hybrid | hybrid |
| Speech output | Yes | Yes |
| Access methods | Touch, mouse, keyboard, external switch, scanning, hovering, microphone input, and AsTeRICS Framework events such as eye or head movement | touch, VoiceOver, TalkBack |
| Offline use | Yes | Yes |
| Supported platforms | Web browsers on Android, iOS, Windows, macOS and Linux | iPhone and iPad |
| Layout customization | fully_customizable | customizable |
Both are listed in Best AAC Communication Software. On Samsung Mobile US Press, Asterics AAC scores higher on our published basis.