Comparison

Acronym Finder vs Deep Dictionary

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

Head to head
About

Acronym Finder

Access the world's largest verified database of acronyms, abbreviations, and initialisms. Quickly find meanings across various categories, even offline. Save and share your findings easily.

Highlights
  • 1 million+ verified acronyms
  • Offline search functionality
  • Category filtering
  • Unlimited bookmarking
  • Sharing capabilities
Features
Read full description

Acronym Finder is the world's largest database of acronyms, abbreviations, and initialisms: 1 million+ acronyms and their meanings, all verified by our editorial team. Quickly find any acronym's meaning with our category filter: Medical Military Government Science Technology Business Texting and Slang and more WHAT YOU GET: * 1 million+ acronyms and their meanings, all verified by our editorial team. * Search offline anytime. No connection or additional downloads required. * Save an unlimited amount of acronyms in your bookmarks for easy reference. * Share acronyms and their meanings via social networks, email, and more. Praise for Acronym Finder "An exponentially expanding dictionary consulted by bureaucrats, translators, doctors, weapons designers and anyone else who needs help decrypting the wide world's daily output of acronyms." - The Wall Street Journal "An astounding array of explanations for things like HRT and NASP." - USA Today Powered by AcronymFinder.com: If you can't find it here, you won't find it anywhere.

About

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.

Highlights
  • Multilingual definitions
  • Urban Dictionary slang integration
  • Wikipedia content access
  • Pronunciation guides and usage examples
  • Comprehensive thesaurus
  • Images and contextual phrases
Features
Read full description

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

Acronym Finder4 screens
Deep Dictionary4 screens

Verdict

The call

The clearest difference is in-app purchases: Deep Dictionary at none against Acronym Finder's 1. Deep Dictionary also leads on update cadence (weekly vs every 10 months). Acronym Finder's advantage is ratings volume (919 vs 51) and review sentiment (93% vs 78%). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Acronym Finder sells 1 one-off in-app purchase. Deep Dictionary asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Acronym Finder against 4.7 for Deep Dictionary. That said, the two scores are not equally well evidenced: Acronym Finder has 919 ratings behind it against 51, so its average is the more settled of the two. Written reviews are what separate them: 93% of Acronym Finder's written reviews are positive against 78% of Deep Dictionary's.

UpkeepUpdate frequency

Acronym Finder ships an update every 10 months, Deep Dictionary weekly. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
Acronym Finder versus Deep Dictionary: the parameters behind the verdict, then further details
ParameterAcronym FinderDeep Dictionary
PriceFreeFree
Rating4.8 (919 ratings) — better4.7 (51 ratings)
Positive reviews92.6% of reviews — better77.8% of reviews
Number of ratings919 — better51
Update frequencyEvery 10 monthsWeekly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size39 MB14 MB
Age rating4+12+
DeveloperFarlex, Inc.DEEPCO

Customer experience

Acronym Finder

All ratings919 ratings
Positive97.5%
Neutral1.1%
Negative1.4%
Written reviews94 reviews
Positive92.6%
Neutral3.2%
Negative4.3%

Deep Dictionary

All ratings51 ratings
Positive92.2%
Neutral3.9%
Negative3.9%
Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

Bugs and requests

Acronym Finder

Reported bugs

2 issues
  • App getting stuck on splash screen for some users
  • Compatibility issues with newer iOS devices

Requested features

3 requests
  • Add ability to save custom acronyms
  • Implement filtering and sorting options for acronyms
  • Improve user interface and visual design

Deep Dictionary

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Acronym Finder

One-time1
  • Ad-free upgrade$4.99
None

Deep Dictionary

No in-app purchases

Questions

Is Acronym Finder free?
Acronym Finder is free to download, with in-app purchases available.
Is Deep Dictionary free?
Deep Dictionary is free to download, with no in-app purchases.
Which has better reviews, Acronym Finder or Deep Dictionary?
Acronym Finder is rated higher. Acronym Finder averages 4.8 out of 5 from 919 ratings, while Deep Dictionary averages 4.7 from 51 ratings.
Do Acronym Finder or Deep Dictionary have ads?
Both Acronym Finder and Deep Dictionary show ads.
Which is updated more often, Acronym Finder or Deep Dictionary?
Acronym Finder ships an update every 10 months, and Deep Dictionary weekly. Most recently, Acronym Finder was updated on October 17, 2026 and Deep Dictionary on October 5, 2026.

Other comparisons