Paragon Software Group (www.cambridge.org) has released Cambridge English Pronouncing Dictionary app for Mac OS X and iOS. It's available for US$14.99 at the Mac App Store and Apple App Store, respectively.

The dictionary app is based on the classic version of Daniel Jones's guide to contemporary pronunciation for British and American English, and is designed to meet the needs of English language learners striving to perfect their pronunciation of even the most challenging words, such as "though" and "honour," personal names, company names, technology and science definitions, and more. 

The app includes the full wordlist and sample entries to preview before buying. Cambridge English Pronouncing Dictionary also allows users to navigate through and try out the dictionary, as well as experience the most advanced search and learning features.