OneLook Thesaurus is a new iOS app by Datamuse Corporation, designed to accelerate word searches for writers. The app offers a fast interface tailored for iPhone, iPad, or Mac users. It includes custom keyboard integration, speech input for word descriptions, and nine powerful look-up features, such as synonyms, memory-jogging tools, rhymes, and quotes. Additionally, it provides support for word games, stimulating Word-of-the-day and Place-of-the-Day features, and access to the ad-free OneLook website for word definitions.

The app ensures an ad-free experience, no trackers or personal data collection, and offers a two-week free trial subscription. With advanced features like reverse dictionary algorithms and various sorting options, OneLook Thesaurus aims to enhance the writing experience for users.