english-fluency
(3)
Toko
Toko is an AI-powered English speaking tutor that lets learners hold short, realistic conversations with an AI and get instant feedback on grammar and pronunciation. Founded in 2021 by MIT engineers Jen Liu and Erica Du and backed by Y Combinator (W22), the New York-based app is especially popular across East Asia, with more than 1 million downloads and tens of thousands of five-star reviews.
BoldVoice
BoldVoice is a New York-based AI speech and accent coaching app that helps non-native English speakers communicate more clearly and confidently. It pairs proprietary speech AI that gives instant, phoneme-level pronunciation feedback with video lessons taught by Hollywood dialect coaches. Founded in 2021 by Anada Lakra and Ilya Usorov, the app has passed five million downloads across 150+ countries and crossed $10M in annual recurring revenue with a small team.
Cambly Inc.
Cambly is an on-demand English tutoring platform that connects learners in 190+ countries with native English-speaking tutors available 24/7 via live video chat. Founded in 2012 by two former Google engineers, Cambly makes immersive English learning accessible and affordable - bringing the language-learning breakthrough of traveling abroad directly to any phone or laptop. With AI-powered personalization layered over millions of data points from a decade of real lessons, Cambly sits at the intersection of human connection and technology in the $60B+ global English education market.