Comparison

Acronyms and Abbreviations 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

Acronyms and Abbreviations

Access definitions for over 1 million acronyms and abbreviations across various fields, including medicine, military, IT, and slang. This comprehensive dictionary offers offline access, search suggestions, and the ability to save favorites.

Highlights
  • 1 million+ offline acronyms
  • Search suggestions
  • Unlimited bookmarks
  • Recent searches
  • Adjustable font size
  • Share definitions
Features
Read full description

Acronyms and Abbreviations Dictionary by Farlex gives you free, instant access to the meanings of more than 1 million acronyms and abbreviations from multiple fields and industries: Medicine and Science Military and Government IT and Computers Chat and Slang Business + more FEATURES: * Search 1,000,000+ acronyms in the fully offline database. * All entries have been confirmed by our editorial team. * Save unlimited bookmarks. * See search suggestions as you type and always find what you're looking for. * View your recent searches. * Adjust font size. * Share definitions via social networks, email, and text. (With supported devices) User-friendly, comprehensive, and authoritative: Acronyms and Abbreviations Dictionary by Farlex is the perfect free acronym reference for medical professionals, military personnel, government workers, and anyone who needs to quickly decipher the ever-increasing amount of acronyms. How do we do it? TheFreeDictionary.com - Farlex apps have been downloaded tens of millions times across multiple platforms, with top ratings after hundreds of thousands of reviews. We work with the best publishers to bring together trusted content in the most comprehensive, authoritative dictionary apps on the market. Our flagship app is The Free Dictionary (TFD), powered by TheFreeDictionary.com. Find our other apps by searching "Dictionary by Farlex" in the App Store.

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

Acronyms and Abbreviations4 screens
Deep Dictionary4 screens

Verdict

The call

The clearest difference is in-app purchases: Deep Dictionary at none against Acronyms and Abbreviations's 1. Deep Dictionary also leads on update cadence (weekly vs every 17 months). Acronyms and Abbreviations's advantage is ratings volume (301 vs 51) and device support (3 vs 1). On price, rating, review sentiment and ads 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. Acronyms and Abbreviations 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 — 4.6 for Acronyms and Abbreviations against 4.7 for Deep Dictionary. That said, the two scores are not equally well evidenced: Acronyms and Abbreviations has 301 ratings behind it against 51, so its average is the more settled of the two. Written reviews split almost evenly too, at 78% and 78% positive.

UpkeepUpdate frequency

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

Scorecard5 real differences · 5 level
Acronyms and Abbreviations versus Deep Dictionary: the parameters behind the verdict, then further details
ParameterAcronyms and AbbreviationsDeep Dictionary
PriceFreeFree
Rating4.6 (301 ratings)4.7 (51 ratings) — better
Positive reviews77.8% of reviews77.8% of reviews
Number of ratings301 — better51
Update frequencyEvery 17 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

Acronyms and Abbreviations

All ratings301 ratings
Positive91.0%
Neutral3.3%
Negative5.6%
Written reviews27 reviews
Positive77.8%
Neutral3.7%
Negative18.5%

Deep Dictionary

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

Bugs and requests

Acronyms and Abbreviations

Reported bugs

2 issues
  • Application closes immediately after opening (iOS 15.4)
  • Crashes at launch on multiple devices

Requested features

2 requests
  • Ability to search for abbreviations for a given word
  • Implement a less intrusive ad system

Deep Dictionary

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Acronyms and Abbreviations

One-time1
  • Ad-free upgrade$4.99
None

Deep Dictionary

No in-app purchases

Questions

Is Acronyms and Abbreviations free?
Acronyms and Abbreviations 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, Acronyms and Abbreviations or Deep Dictionary?
Deep Dictionary is rated higher. Acronyms and Abbreviations averages 4.6 out of 5 from 301 ratings, while Deep Dictionary averages 4.7 from 51 ratings.
Do Acronyms and Abbreviations or Deep Dictionary have ads?
Both Acronyms and Abbreviations and Deep Dictionary show ads.
Which is updated more often, Acronyms and Abbreviations or Deep Dictionary?
Acronyms and Abbreviations ships an update every 17 months, and Deep Dictionary weekly. Most recently, Acronyms and Abbreviations was updated on October 17, 2026 and Deep Dictionary on October 5, 2026.

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