ELSA Is a Pronunciation Coach for Non-English Speakers

iOS/Android: Pronunciation can be tough when trying to learn a new language. ELSA is an interactive language app that helps non-native English speakers learn the language based on their pronunciation. The app is free to download and works similarly to other language-learning apps.

Source: http://lifehacker.com/elsa-is-a-pronunciation-coach-for-non-english-speakers-1782308051