Drops - Visual language learning.

Clozemaster - Learn a language through mass exposure to useful vocabulary in context.

Vocabulary Miner - Flashcard app with offline learning, spaced repetition, no ads, export & import, statistics...

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.

Learn to speak English grammar - Learn to speak English grammar is an app that allows you to learn the English language and understand or speak it as your native language.

Bialect - Learn languages faster with stories.