Version history
American Heritage® Dictionary
45
ASO score
Text
41/100
Reviews
50/100
Graphic
60/100
Other
0/100
App Rating
4.7
Votes
336
App Age
7y 1m
Last Update
Sep 22, 2025
iAP
$4.99 - 4.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4.65
|
4.49
|
+4%
|
|
Number of Ratings (Voted)
|
335
|
265.4K
|
-100%
|
|
App Age
|
7y 0m
|
6y 2m
|
+14%
|
|
Price
|
$16
|
$0
|
|
|
In-app Purchases Price
|
$5
|
$44
|
-89
%
|
|
Update Frequency
|
41d
|
39d
|
+6%
|
|
Title Length
|
29
|
26
|
+12%
|
|
Subtitle Length
|
29
|
28
|
+4%
|
|
Description Length
|
3 668
|
2 846
|
+29%
|
|
Number of Screenshots
|
1794
|
1131
|
+59
%
|
|
Size
|
381MB
|
262MB
|
+45
%
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 12, 2025 | Dec 19, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 12, 2025 | Dec 19, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 12, 2025 | Dec 19, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 12, 2025 | Dec 19, 2025 |
|---|---|---|
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No results were found!
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Ranking Keywords in United States
| Keywords | App Rank |
|---|---|
|
자전
|
13
|
|
사전.
|
1
12
1
|
|
다음사전
|
out
out
|
|
다음 사전
|
out
out
|
|
địc
|
out
out
|
|
구글 사전
|
in
15
in
|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
29
of 30
)
American Heritage® Dictionary
Subtitle
(
Characters:
29
of 30
)
UniDict® - 4th Edition (AHD4)
Description
(
Characters:
3668
of 4000
)
*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 17 & iOS26 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 16"
—thesaurus links work with these products:
"Roget's II: New Thesaurus"
"Companion Thesaurus"
"Companion Synonyms"
and many more}
Read more
Other
Additional Information
Version history
16.0.2
Sep 22, 2025
A fix for search on conjugations.
16.0.1
Sep 07, 2025
Fix for Today Widget