Vocabulary.com Alternatives

Vocabulary.com is described as 'The easiest, most intelligent way to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words' and is a language learning tool in the education & reference category. There are more than 100 alternatives to Vocabulary.com for a variety of platforms, including iPhone, Android, Web-based, iPad and Android Tablet apps. The best Vocabulary.com alternative is Anki, which is both free and Open Source. Other great apps like Vocabulary.com are Duolingo, RemNote, Memrise and Busuu.