American Heritage Dictionary 5 vs Deep Dictionary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
American Heritage Dictionary 5
Access a comprehensive English language dictionary with over 10,000 new words and senses. Features include real-time searching, cross-referencing, pronunciation guides, and etymologies. Enhance your vocabulary and understanding of word origins on the go.
- Entire text of the Fifth Edition
- Real-time progressive searching
- Three-way cross-referencing indexes
- Wildcard pattern searches
- Detailed etymologies
- Professionally recorded sound files
- AI boosted anagram generator
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The Fifth Edition of The American Heritage® Dictionary of the English Language is one of the most comprehensive and accessible resources available on any mobile device. This latest edition has been much anticipated: 10 years 20 Lexicographers 200 Usage Experts 10,000 New Words and Senses 1 Defining Achievement Keep the hardcopy at home and take the app out with you wherever you need it. Main Features: ● the entire text of this landmark new edition ● complete front matter and appendices ● real-time progressive searching ● three-way cross-referencing indexes ● wildcard pattern searches (with * ?) ● online search support for rare words and slang ● spelling suggestions ● internal hyperlinking ● zoomable graphics ● full pronunciation symbols chart ● IPA pronunciation symbol conversion ● detailed etymologies with links to root appendices ● professionally recorded sound files ● automatic search history ● fallback online search for esoteric or archaic words and the latest slang ● AI boosted anagram generator ● two-way external application interaction ● bookmarks with editable notations ● make-your-own flashcards ● "Word-a-day" feature with TOEIC® & TOEFL® lists ● "Share" extension to search inside other apps -with "store for later" ● "Today" and LockScreen widgets ● 3D Touch support ● DarkMode support ● iPad Pro multi-screen and Drag & Drop ● Dyslexic mode and VoiceOver support ● iOS12 to iOS27 support ● iPhone 18 support ● iPhone, iPod, iPad and macOS support In keeping with the American Heritage® tradition of cutting-edge research, the Fifth Edition represents the work of a dedicated team of experts, scholars, and contributors. Thousands of definitions have been revised in rapidly changing fields such as astronomy and biology, geographical entries and maps have been completely updated, and the dictionary’s signature feature notes on word history, synonymy, and language variation have been enhanced and improved. Word meanings are made easier to understand with thousands of new quotations from classic and contemporary writers. Etymologies explaining word origins and development have been newly created or revised to reflect the very latest scholarship. Many words are traced back to their roots in prehistory through two unique appendices showing word roots in ancient Indo-European and Semitic. Reliable, enlightening, and visually stunning, the Fifth Edition of The American Heritage® Dictionary of the English Language gives you the opportunity to make your mark in the best possible way. ________________________________________ The American Heritage® Dictionary of the English Language, Fifth Edition published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. http://www.hmhco.com ________________________________________ Powered by Enfour's "UniDict® Engine 18" ________________________________________ ● This is "free-to-download" but not a free app. It requires an InApp purchase.
Deep Dictionary
Access definitions from various sources like Wikipedia and Urban Dictionary, with multilingual support and pronunciation guides. Enhance your vocabulary with synonyms, related words, and real-life usage examples.
- Multilingual definitions
- Urban Dictionary slang integration
- Wikipedia content access
- Pronunciation guides and usage examples
- Comprehensive thesaurus
- Images and contextual phrases
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Deep Dictionary is like Wikipedia, Urban Dictionary, Oxford English Dictionary, and Youglish all in one App! Deep Dictionary supports multiple languages! Get definitions in Japanese, Chinese, Russian, German, Spanish, and French alongside English. The best multilingual dictionary for learning and translation—perfect for English-Japanese dictionary, English-Chinese dictionary, English-Russian dictionary, English-German dictionary, English-Spanish dictionary, and English-French dictionary! With direct integration with Urban Dictionary, you'll never miss the latest slang and expressions. Our app ensures you stay updated with contemporary language trends, capturing the essence of the latest terms just like Urban Dictionary. Like YouGlish, our app offers pronunciation guides and real-life usage examples through integrated YouTube clips. Need scientific definitions? Our app connects you to comprehensive Wikipedia entries. For dictionary definitions, Deep Dictionary includes images and contextual phrases to make vocabulary building a breeze. Download now to enhance your vocabulary with the best of both traditional and contemporary language tools. Download the Deep Dictionary app for free and start your English learning right away. ## KEY FEATURES: ## Thesaurus: Deep Dictionary is more than just a dictionary—it's a comprehensive thesaurus at your fingertips. Unlike traditional thesaurus apps that focus solely on synonyms and antonyms, Deep Dictionary broadens your vocabulary with a wide range of related words that are more practical for everyday use. Whether you’re writing, studying, or simply want to expand your vocabulary, our thesaurus feature offers tools that go beyond just finding synonyms and antonyms. Discover new words and enhance your language skills with Deep Dictionary’s unique approach to the thesaurus! ## Wikipedia: Deep Dictionary includes direct references to authentic Wikipedia content, wrapped in an improved, user-friendly interface. Now you can access reliable Wikipedia information. Whether you’re a student, a professional, or simply curious, Deep Dictionary provides a seamless Wikipedia-like experience for all things related to words and their meanings. ## Reliable Sources: Looking for an alternative to Dictionary.com? Deep Dictionary provides everything you need, from detailed definitions to pronunciation guides, much like Dictionary.com. With features similar to Dictionary.com, Deep Dictionary helps you explore the English language with ease. If you love Dictionary.com, you'll find Deep Dictionary an equally valuable resource for learning and mastering English. And what's better? Deep Dictionary doesn't have Ads to interrupt your learning experience. ## Pick Up Slangs like Urban Dictionary: Stay updated with the latest trends in language. Our direct integration with Urban Dictionary ensures you’re never out of the loop with contemporary and evolving terms. When you prefer, jump over to the Urban Dictionary website to explore more with one simple tap! ## Best Youglish Alternative on iOS: iPhone users have long sought a good YouGlish substitute, and now you've found it! Deep Dictionary offers pronunciation guides and real-life usage examples. ## Academic: Inspired by the Oxford English Dictionary, Deep Dictionary offers a wealth of detailed definitions and historical contexts, just like the Oxford English Dictionary. Dive into the depths of the English language with a dictionary that mirrors the comprehensive nature of the Oxford English Dictionary. Whether you’re studying or just curious about words, our app provides the insights you need, much like the Oxford English Dictionary.
Screenshots
Verdict
The clearest difference is in-app purchases: Deep Dictionary at none against American Heritage Dictionary 5's 4. Deep Dictionary also leads on review sentiment (78% vs 43%) and update cadence (every 5 days vs every 6 weeks). American Heritage Dictionary 5's advantage is ads (none vs shown) and ratings volume (441 vs 51). On price and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. American Heritage Dictionary 5 sells 4 in-app purchases, starting at $0.99 per month. Deep Dictionary asks for nothing beyond the download.
Deep Dictionary holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: American Heritage Dictionary 5 has 441 ratings behind it against 51, so its average is the more settled of the two. Written reviews point the same way: 43% of American Heritage Dictionary 5's written reviews are positive against 78% of Deep Dictionary's.
American Heritage Dictionary 5 ships an update every 6 weeks, Deep Dictionary every 5 days. Both last shipped on October 22, 2026.
| Parameter | American Heritage Dictionary 5 | Deep Dictionary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (441 ratings) | 4.7 (51 ratings) — better |
| Positive reviews | 43.5% of reviews | 77.8% of reviews — better |
| Number of ratings | 441 — better | 51 |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 628 MB | 13 MB |
| Age rating | 9+ | 12+ |
| Developer | Enfour, Inc. | DEEPCO |
Customer experience
American Heritage Dictionary 5
Deep Dictionary
Bugs and requests
American Heritage Dictionary 5
Reported bugs
4 issues- Crashes on startup
- Inability to access full dictionary
- Bookmarks and history issues
- Compatibility problems with OS updates
Requested features
4 requests- Improved search and navigation
- Better integration with other apps
- More sample sentences and usage examples
- Ability to sync across devices
Deep Dictionary
Not enough reviews yet to summarise bugs or requests.
In-app purchases
American Heritage Dictionary 5
- AHD 5th Subscription$0.991 Month
- Roget's II: The New Thesaurus$4.99
- AHD5 -activation$13.99
- AHD4-user discount$14.99
Deep Dictionary
No in-app purchases
Questions
Is American Heritage Dictionary 5 free?
Is Deep Dictionary free?
Which has better reviews, American Heritage Dictionary 5 or Deep Dictionary?
Do American Heritage Dictionary 5 or Deep Dictionary have ads?
Which is updated more often, American Heritage Dictionary 5 or Deep Dictionary?
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