Harper Collins has joined forces with us, Innovative Language Learning. One of the world’s most respected publishers meets the world’s biggest language learning app maker.

They bring over 175 years of expertise. We apped it up.
The result is the best in dictionary software for the Mac.

After much tinkering in the lab together, we’ve brought the English Dictionary and Thesaurus to the Mac - the Collins Unabridged English Dictionary and the Collins Thesaurus of the English Language. And there’s more to come.

Most dictionary apps add on bells and whistles. The Collins Unabridged Dictionary and the Collins Thesaurus, however, have been designed, refined and streamlined for elegance and simplicity. With over 390,000 and 310,000 words, references, and examples in the dictionary and thesaurus respectively, they simply do what you need.

- Instant search: Begins when you type
- Bookmark words for later review
- Browse words by letter tabs
- Browse History: For stubborn words that refuse to be remembered
- Web Browser interface & navigation

The Collins Unabridged English Dictionary and the Collins Thesaurus of the English Language are both available for purchase now at the Mac App Store. Find out more details on our site here