Access a comprehensive digital dictionary with nearly 300,000 terms and thousands of sound files. Features include advanced search, etymology, and AI-powered tools for deeper understanding and language learning.
Reviews of American Heritage® Dictionary are mostly positive: the Reference app is rated 4.7/5 from 207 App Store ratings. What users like most: fast and efficient, comprehensive and authoritative. Top complaints: occasional crashes or freezes, large app size can cause sync issues. Summarized from real user reviews.
18.0
October 12, 2026
Updated Siri support and added Apple Intelligence support (eg. offline AI Teacher on devices that support it) Fixed an issue with the Bookmarks menu in iOS27.
More$4.99
Roget's II Thesaurus
Activates and starts download.
3 issues
Compatibility issues with newer iOS versions
Unreliable audio playback
5 requests
Ability to bookmark words and organize them into custom categories
Improved search functionality (e.g. tapping words in definitions to jump to them)
This app provides the complete text of the renowned American Heritage Dictionary, including nearly 300,000 terms, 33,000 written examples, and 64,000 professionally recorded sound files by native speakers. It offers advanced search capabilities, etymology, and AI-powered tools for deeper language understanding.
Key features include the entire dictionary text, complete front matter and appendices, three-way cross-referencing search, real-time progressive look-up, wildcard searches, spelling suggestions, internal hyperlinking, pop-up pronunciation charts, IPA conversion, etymology with root links, professionally recorded sound files, and offline use.
The application is available for free with in-app purchases. While the core dictionary content is accessible, certain advanced features or additional content may require purchase.
The app supports a wide range of Apple devices, including iPhone, iPod, iPad, and macOS. It is designed to be compatible with the latest iOS versions, ensuring a smooth experience on modern devices.
This app is ideal for students, writers, scholars, language learners (including ESL students), and anyone who needs a comprehensive and reliable reference for English words. Its detailed definitions, etymology, and example sentences make it a valuable tool for understanding language in depth.
