Lexi - Speak to Alexa through your iPhone
Andy Chatbot - Learn and practice English with exercises, grammar and games
Astra by Cesbo - Talk to Alexa anywhere, from your iPhone
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
Ava - Making conversations accessible for the deaf
English AI - Practice conversation in English with AI