Flashbrain VS Reji

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.

Lexios - Learn vocabulary effortlessy while browsing the web

Synonymful - Improve your vocabulary and communicate like a pro.

Vocab Swap - Learn a language while you browse the internet

Fluent - Fluent is a people-based marketing platform that uses real-time, one-to-one interaction to create custom audiences and serve personalized ads that drive performance at scale.

Obstino - Obstino is your key to effectively learning, practicing, and retaining new words for a more robust vocabulary.