Fastdic - Fast Dictionary is a free, comprehensive dictionary and translator app for iPhone users. Developed by Fast Dictionary Limited, it boasts more than 200,000 words, 70,000 example sentences, and advanced features like converting numbers to words, synonyms and antonyms, part of speech (POS), and British & American English phonetics.

One of the app's most impressive features is its online and offline English audio pronunciations, with both American & British accents, provided by Cambridge University Press. It also allows you to search for past participles and irregular verbs together, making it easier to learn and memorize new vocabulary. With its history of searched words, word family, formal/informal labels, and customizable favorites list, Fastdic - Fast Dictionary is the ultimate tool for language learners.