LingoTheory is described as 'Website dedicated to language learning and linguistics. It offers a variety of resources and tools for language enthusiasts, students, and educators. The site focuses on providing in-depth information about different languages, their structures, and linguistic concepts' and is a language learning tool in the education & reference category. There are more than 50 alternatives to LingoTheory for a variety of platforms, including Android, iPhone, Web-based, iPad and Android Tablet apps. The best LingoTheory alternative is Duolingo, which is free. Other great apps like LingoTheory are LibreLingo, Memrise, Busuu and Rosetta Stone.