Udderance is a text-to-speech (TTS) based augmentative and alternative communication (AAC) app with a focus on simplicity and cross-platform usage.
Cost / License
- Free
- Open Source
Application type
Platforms
- Online
- F-Droid
- Android
United States




Apps similar to Expressia include Udderance, which is free and open source. Other options are LetMeTalk, Free Speech, Wemogee and AACSpeechBuddy. In total there are five Text to Speech Services like Expressia for Android, iPhone, iPad, the web and Mac.
Udderance is a text-to-speech (TTS) based augmentative and alternative communication (AAC) app with a focus on simplicity and cross-platform usage.




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The APP and WebSite offers a full-featured flexible and easy to use Augmentative and Alternative Communication solution for people who have trouble communicating.
