Synonymful - Improve your vocabulary and communicate like a pro.

Power Thesaurus - Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers...

Reji - Improve your vocabulary hassle-free 📚

English Grammar Complete Handbook - English Grammar Complete Handbook app offers features to help users in extensively learning English grammar by viewing the complete guide of all the grammatical terms and concepts at a glance.

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.

English Grammar Test - English Grammar Test app is an app by Sevenlynx that contains features to help users access a variety of online resources and books to learn by adopting a different way.