Comparison

American Heritage® Dictionary vs Advanced 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
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

Advanced Dictionary

Enhance your English with a comprehensive vocabulary and grammar resource. Access over 150,000 examples, learn key word lists, and improve pronunciation with British and American English audio. Write and speak more fluently with integrated thesaurus and collocation tools.

Highlights
  • Complete vocabulary and grammar resource
  • 150,000+ corpus-based examples
  • Communication 9000 and top word lists
  • British and American English pronunciation
  • Integrated Thesaurus and Collocations Dictionary
  • Offline access after initial setup
Features
Read full description

Advanced Dictionary LDOCE 6th is the best Dictionary free app with complete vocabulary and grammar resource that will enhance your learning of English. ● Support for iPhone, iPod and iPad. ● Require iOS 13.0 above - Improve your English with the full content of the dictionary at your fingertips, with integrated Grammar, Thesaurus, and Collocations Dictionary. - Over 150,000 corpus-based examples of natural English show words in context and how English is really used. - The Communication 9000 – helps you learn them first. - Top 3000 spoken words. - Top 3000 written words. ● Write and speak fluently - Learn word combinations to use the correct words together. - Helps you improve your writing by using more precise and high level words. ● Improve your grammar - Avoid making common mistakes and get extra help with grammar patterns and using the correct tenses. ● Improve your pronunciation - All headwords pronounced in both British and American English Main Features: ● Support full content of word. ● Search engine very fast and suggested words ● Write your note on the word ● Creat new group for words ● Speech in search helps you with spelling as you look for words ● History to help you find recently viewed for words ● Bookmark your favorite words ● Word-of-the-Day update everyday ● Easy to use and easy to understand ● Can use offline after remove ads and has loaded content before.

Screenshots

American Heritage® Dictionary4 screens
Advanced Dictionary4 screens

Verdict

The call

The clearest difference is ads: American Heritage® Dictionary at none against Advanced Dictionary's shown. American Heritage® Dictionary also leads on update cadence (every 2 months vs every 6 months) and ratings volume (207 vs 25). Advanced Dictionary's advantage is review sentiment (91% vs 66%) and iOS requirement (13.0 vs 15.0). On rating, in-app purchases 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 Advanced Dictionary $14.99 up front. American Heritage® Dictionary sells 1 one-off in-app purchase and Advanced Dictionary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Advanced Dictionary holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: American Heritage® Dictionary has 207 ratings behind it against 25, 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 91% of Advanced Dictionary's.

UpkeepUpdate frequency

American Heritage® Dictionary ships an update every 2 months, Advanced Dictionary every 6 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
American Heritage® Dictionary versus Advanced Dictionary: the parameters behind the verdict, then further details
ParameterAmerican Heritage® DictionaryAdvanced Dictionary
Price$12.99 — better$14.99
Rating4.7 (207 ratings)4.9 (25 ratings) — better
Positive reviews65.6% of reviews90.9% of reviews — better
Number of ratings207 — better25
Update frequencyEvery 2 months — betterEvery 6 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size386 MB379 MB
Age rating9+4+
DeveloperEnfour, Inc.Nguyen Thi Hoai Thu

Customer experience

American Heritage® Dictionary

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

Advanced Dictionary

All ratings25 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive90.9%
Neutral0.0%
Negative9.1%

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

Advanced 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
1 purchases

Advanced Dictionary

One-time1
  • Offline and Remove Ads$8.99

Questions

Is American Heritage® Dictionary free?
American Heritage® Dictionary costs $12.99, and also offers in-app purchases.
Is Advanced Dictionary free?
Advanced Dictionary costs $14.99, and also offers in-app purchases.
Which has better reviews, American Heritage® Dictionary or Advanced Dictionary?
Advanced Dictionary is rated higher. American Heritage® Dictionary averages 4.7 out of 5 from 207 ratings, while Advanced Dictionary averages 4.9 from 25 ratings.
Do American Heritage® Dictionary or Advanced Dictionary have ads?
Advanced Dictionary shows ads; American Heritage® Dictionary does not.
Which is updated more often, American Heritage® Dictionary or Advanced Dictionary?
American Heritage® Dictionary ships an update every 2 months, and Advanced Dictionary every 6 months. Most recently, American Heritage® Dictionary was updated on October 27, 2026 and Advanced Dictionary on October 24, 2026.

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