Cambridge Dictionary is described as 'Multi-language dictionary for students and people who are in contact with English. This online version has been offering completely free of charge since 1999 by the Univeristy of Cambridge' and is a Dictionary in the education & reference category. There are more than 10 alternatives to Cambridge Dictionary, not only websites but also apps for a variety of platforms, including iPhone, Android, iPad and Android Tablet apps. The best Cambridge Dictionary alternative is Dictionary.com, which is free. Other great sites and apps similar to Cambridge Dictionary are Wordnote Dictionary, Merriam-Webster, Linguin and Apple Dictionary.