1. DUOLINGO
Duolingo is one of the best English language apps today and highly recommended for English beginners. The gamified learning system of the app helps you learn English quickly by spending twenty minutes a day. Duolingo structures your lessons that teaches you about seven new words based on a topic and skill points being awarded for completing the lessons.
More info and iOS download
More info and Android download
2. BESUU: Learn Languages
Busuu helps you learn English language on the go and the lesson's quality are guaranteed as it is based on CEFR language framework. Lessons range from beginner to advanced through comprehensive vocabulary, lesson dialogue, writing practice and tests. Busuu is actually a great English app if you want to improve your spoken English.
More info and iOS download
More info and Android download
3. MEMRISE
Memrise uses some creative and easy way to remember words for learning English. The focus of this app is to help the users expand their vocabulary by learning English words in a effective way. Memrise also offers an offline mode to continue learning without internet connection.
More info and iOS download
More info and Android download