Found this online -- from the SpeechEasy organization (https://speecheasy.com/smartphone-apps-reduce-stuttering/) * **DAF Assistant** – [www.artefactsoft.com](http://www.artefactsoft.com) (Apple & Android) – DAF and FAF. Free demo for Android called ‘DAF Assistant Lite’ * **DAF Professional** – [www.speechtools.co](http://www.speechtools.co/) (Apple & Android) – DAF and FAF. Free trial for Android called ‘DAF Professional Lite’ * **Speech4good** – [www.speech4good.com](http://www.speech4good.com) (Apple) – Aimed at speech and language therapists as well as people who stammer. DAF (but not FAF), with digital speech graph and ability to record session, type notes, and email recorded sessions. SpeechEasy is the device that does the echo effect in your ear.