Niki Talk vs Sayella
| Niki Talk | Sayella | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Web, Windows | iOS |
| Free plan | Yes | Yes |
| Symbol system | symbol | hybrid |
| Speech output | Yes | Yes |
| Access methods | touch | touch, VoiceOver, TalkBack |
| Supported platforms | iPad, iPhone, Android, Kindle; Designer on PC, Mac and iPad | iPhone and iPad |
| Layout customization | customizable | customizable |
| Offline use | — | Yes |
Both are listed in Best AAC Communication Software. On Samsung Mobile US Press, Sayella scores higher on our published basis.