Synonymful - Improve your vocabulary and communicate like a pro.

Smart Compose in Gmail - Write emails faster with Smart Compose in Gmail

Reji - Improve your vocabulary hassle-free 📚

Text Case - Format any raw text on iOS and more 📝

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.

Chars - Unicode Symbols Keyboard for iOS