Comparison

American Heritage® Dictionary vs Heron Derivation Dictionary

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

American Heritage® Dictionary

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.

Highlights
  • Full dictionary text
  • 33,000+ example sentences
  • 64,000+ recorded sound files
  • Three-way cross-referencing search
  • Etymology with root links
  • AI Teacher for ESL students
  • Offline use
Features
Currently charting
Read full description

*NOTE: there is a newer version of American Heritage® Dictionary available on the AppStore. Tap on the "Enfour, Inc." link for AHD5. The entire 2,074 page, 7.5 pound dictionary with its nearly 300,000 terms –plus 64 thousand recorded sound files by native speakers -all available instantly at your fingertips. ________________________________________ "In the battle of the Big Three dictionaries, American Heritage® stands out on iPhone" (4 mice) — MacWorld ________________________________________ More than 33,000 written examples, totaling 4,222,000 words, makes this largest mobile dictionary on ANY platform The indexes alone are larger than most brand-name dictionaries. Even without the sound files, AHD would still be the largest dictionary in the AppStore. Main Features: ● the entire text of this best selling book ● complete front matter and appendices ● three-way cross-referencing search ● real-time progressive look-up ● wildcard pattern searches (with * ?) ● spelling suggestion dictionary included ● internal hyperlinking & supports copy/paste ● pop-up pronunciation symbols chart ● IPA pronunciation symbol conversion ● etymology (word history) with root links ● professionally recorded sound files ● zoomable graphics ● fallback online search for esoteric or archaic words and the latest slang ● unique two-way external application interaction — first iPhone dictionary with external linking and now most advanced! ● bookmarks with editable notations ● automatic search history ● an "AI Teacher" for deeper explanations or help for ESL students in 98 languages ● AI boosted anagram generator ● "Today" & LockScreen widgets ● 3D Touch support ● DarkMode support ● Siri support ● iPad multi-screen and Drag & Drop ● iPhone 18 & iOS27 support ● iPhone, iPod, iPad and macOS support ● complete offline use - no Internet connection The renowned American Heritage® Usage Panel, a group of more than 200 distinguished writers, scholars, and scientists, offers advice on problems of grammar and style; engaging notes explain word histories and clarify differences among synonyms; thousands of quotations and example sentences show words in context; and elegant definitions are enhanced by numerous full-color photographs, drawings, and maps, making this one of the most complete reference tool available on any mobile platform. Reviews for the application: "As apps go, only Enfour’s American Heritage® Dictionary stands out for its graphic appeal and functionality. Although I was pleased to have so much lexical firepower in such a compact form, I was annoyed at how poorly the other dictionaries present on the platform." (4 mice) — MacWorld Editor's Choice. ranking = "Great" — MacLife Reviews of the print version: "The Best Dictionary...Designed to appeal to the eye as well as the mind, it is notable for its imaginative illustrations....This is a great family dictionary, and ideal for schoolrooms." — The Courier Journal "This dictionary, now in its fourth edition, makes it fun to look up definitions of words....This up-to-date and eminently useful dictionary features a fabulous full-color design that quickly and effectively guides users to the information they seek." — Library Journal ________________________________________ The American Heritage® Dictionary of the English Language, Fourth Edition published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. http://www.hmco.com ________________________________________ Powered by Enfour's "UniDict® Engine 18" —thesaurus links work with these products: "Roget's II: New Thesaurus" "Companion Thesaurus" "Companion Synonyms" and many more

About

Heron Derivation Dictionary

Explore the history and origins of common English words with clear, concise derivations. This reference tool is ideal for learners and anyone curious about word etymology, offering over 11,000 entries and easy cross-referencing.

Highlights
  • Simple, concise derivations
  • 11,450+ word entries
  • Glossary of etymological terms
  • Cross-reference linking
  • Easy to understand explanations
Features
Currently charting
Read full description

Gain mastery of English and a greater appreciation of language by understanding the history of words. The Heron Derivation Dictionary contains simple and concise derivations for commonly used words. It is perfect for those just beginning their journey into the world of English etymology, or those seeking insight into word origins but find existing etymology resources too complex. Features: * Simple, concise and easy to understand derivations * Approximately 11,450 entries for commonly used words * A glossary of terms (Ex: Old English, Latin, etc) * One-click links to explore cross-references and glossary terms ----------------- Why? ----------------- A derivation gives a more complete understanding of a word by revealing the story of how a word has changed from its original form to become what it means today. The word "muscle", for example, has a derivation: Flex your upper arm and look at your bicep. What does it look like? Some Roman did this and gave birth to the word we now know as "muscle", which meant "little mouse" in Latin, the language of the Ancient Romans. Knowing the history of words the words not only gives you deeper understanding of what you are reading, it also unlocks the power to use words in their fullest sense so that you can clearly communicate your ideas to others.

Screenshots

American Heritage® Dictionary4 screens
Heron Derivation Dictionary4 screens

Verdict

The call

The clearest difference is in-app purchases: Heron Derivation Dictionary at none against American Heritage® Dictionary's 1. Heron Derivation Dictionary also leads on review sentiment (100% vs 66%) and rating (5.0 vs 4.7). American Heritage® Dictionary's advantage is price ($12.99 vs $19.99) and ratings volume (207 vs 6). On update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

American Heritage® Dictionary costs $12.99 and Heron Derivation Dictionary $19.99 up front. American Heritage® Dictionary sells 1 one-off in-app purchase. Heron Derivation Dictionary asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Heron Derivation Dictionary holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: American Heritage® Dictionary has 207 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 66% of American Heritage® Dictionary's written reviews are positive against 100% of Heron Derivation Dictionary's.

UpkeepUpdate frequency

American Heritage® Dictionary ships an update every 2 months, Heron Derivation Dictionary every 4 months. The most recent releases landed on October 31, 2026 and October 27, 2026 respectively.

Scorecard8 real differences · 3 level
American Heritage® Dictionary versus Heron Derivation Dictionary: the parameters behind the verdict, then further details
ParameterAmerican Heritage® DictionaryHeron Derivation Dictionary
Price$12.99 — better$19.99
Rating4.7 (207 ratings)5.0 (6 ratings) — better
Positive reviews65.6% of reviews100.0% of reviews — better
Number of ratings207 — better6
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#57 — better#199
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size386 MB49 MB
Age rating9+4+
DeveloperEnfour, Inc.Synthesized Software, LLC

Customer experience

American Heritage® Dictionary

All ratings204 ratings
Positive94.6%
Neutral1.0%
Negative4.4%
Written reviews157 reviews
Positive65.6%
Neutral7.0%
Negative27.4%

Heron Derivation Dictionary

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

American Heritage® Dictionary

Reported bugs

3 issues
  • Compatibility issues with newer iOS versions
  • Unreliable audio playback
  • Unexpected behavior when clearing search history

Requested features

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)
  • Landscape mode support
  • Better sync/backup options for user data
  • More visual aids and illustrations

Heron Derivation Dictionary

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

American Heritage® Dictionary

One-time1
  • Roget's II Thesaurus$4.99
None

Heron Derivation Dictionary

No in-app purchases

Questions

Is American Heritage® Dictionary free?
American Heritage® Dictionary costs $12.99, and also offers in-app purchases.
Is Heron Derivation Dictionary free?
Heron Derivation Dictionary costs $19.99, with no in-app purchases.
Which has better reviews, American Heritage® Dictionary or Heron Derivation Dictionary?
Heron Derivation Dictionary is rated higher. American Heritage® Dictionary averages 4.7 out of 5 from 207 ratings, while Heron Derivation Dictionary averages 5.0 from 6 ratings.
Do American Heritage® Dictionary or Heron Derivation Dictionary have ads?
Neither American Heritage® Dictionary nor Heron Derivation Dictionary shows ads.
Which is updated more often, American Heritage® Dictionary or Heron Derivation Dictionary?
American Heritage® Dictionary ships an update every 2 months, and Heron Derivation Dictionary every 4 months. Most recently, American Heritage® Dictionary was updated on October 31, 2026 and Heron Derivation Dictionary on October 27, 2026.
Which is more popular, American Heritage® Dictionary or Heron Derivation Dictionary?
American Heritage® Dictionary currently peaks at #57 in the App Store charts, and Heron Derivation Dictionary at #199. Chart position reflects recent download velocity rather than total install base.

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