ELSA is an AI-enabled language learning platform that utilizes speech recognition on English pronunciation training and accent reduction. The mobile English speaking and pronunciation app aim to help language learners improve their speaking ability by listening to how they pronounce words, sentences, or conversations to pinpoint exact errors and provide real-time, accurate suggestions on their pronunciation mistakes. VI (Vietnam Investments) Group, SIG, Gradient Ventures, SOSV, Monk’s Hill Ventures, Endeavor Catalyst, Globant Ventures, and U2’s The Edge David Evans invested on the company.