Cambridge Dictionary vs Collins Dictionary

Cambridge Dictionary is an online reference offering English learner, academic, and business dictionaries, plus bilingual translation dictionaries. Its content draws on the Cambridge English Corpus, which Cambridge says contains more than 1.5 billion words of real English. Pronunciation pages provide British and American audio, phonetic transcriptions, and videos illustrating words and sentences. The thesaurus includes synonyms, antonyms, examples, and explanations of differences between words and phrases in British and American English. Cambridge Dictionary +Plus adds quizzes, word lists, and word games; users can create, download, and share free lists and quizzes, with up to 500 words in each list. The online plan costs nothing and includes dictionaries and +Plus word lists and quizzes. Cambridge also offers an API, a free double-click dictionary search for websites, and search widgets. Access is listed for web, Android, iOS, and extensions, with 29 languages covered. Cambridge Dictionaries Online began offering dictionaries free of charge in 1999.

Collins Dictionary has no write-up on Specifiction yet; its figures are above.