Comparison

Dictionary. vs Urban Dictionary

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

Head to head
About

Dictionary.

Access a comprehensive dictionary, thesaurus, and translation tool with millions of definitions and synonyms. Explore specialty dictionaries, learn new words daily, and play word games. This app offers offline access and integrates seamlessly with other applications.

Highlights
  • Offline dictionary and thesaurus
  • Millions of definitions and synonyms
  • Word of the Day and Idiom of the Day
  • Specialty dictionaries (medical, legal, etc.)
  • Translations into 40+ languages
  • Word games (Spelling Bee, Hangman)
  • In-app word lookup via sharing
Features
Read full description

The only Dictionary and Thesaurus with every word you search for. Plus Word of the Day, free offline dictionary access, and millions of definitions and synonyms from top sources, including: Webster's Dictionary Roget's Thesaurus The American Heritage Dictionary Plus FREE access to: English Offline Dictionary English Offline Thesaurus with synonyms and more Medical Dictionary English Idioms and Slang Dictionary Translations of English into 40+ languages Dozens of other translation options + Much more! The Free Dictionary is like getting 100+ apps in one easy-to-use interface. Rated #1 app in the App Store in the free reference category in 114 countries 2011–2019. (Source: https://www.appannie.com/apps/ios/app/379450383/app-ranking/#device=ipad&type=best-ranks) Here's what you can do with The Free Dictionary app: * Find every word you search for. Clear, accurate definitions from top dictionaries—online and offline. * Find synonyms fast. Free Thesaurus with simple interface makes it easy to find the perfect word. Browse synonyms, antonyms, and related words. * Learn something new every day. Word of the Day Idiom of the Day + Other daily content * Build your vocabulary. Don't just look up words—learn how to use them! Featuring: Audio pronunciations Example sentences Etymologies + More! The perfect dictionary app for word lovers and learners of all levels. * Explore topics in-depth. Multiple specialty dictionaries and encyclopedias: Medical dictionary Legal dictionary Science dictionary Financial dictionary Idioms and Slang dictionary Acronyms and Abbreviations + More! * Play word games. Spelling Bee, Hangman, and more. * See idioms in action. Watch idioms videos inside the app! Featuring animations of words and phrases from the idioms and slang dictionary. * Access dictionaries in 13 other languages. Spanish dictionary and thesaurus French dictionary and thesaurus German dictionary and thesaurus + Italian, Portuguese, Russian, Chinese, and more! * Translate English into Spanish, French, and 40+ languages. Or translate other languages into English. Access dozens of other translation options. * Access dictionaries and encyclopedias from these top publishers with just one search: McGraw-Hill Houghton Mifflin HarperCollins Random House Cambridge University Press + More! Here's why The Free Dictionary is the most user-friendly dictionary app: * Instantly look up words in apps or webpages! Just highlight the word you want to look up, tap "Share," then tap "More" in the bottom menu and turn on the "Define" option. You will then see a "Define" icon in the menu. Tap it to see the definition of the highlighted word! * Voice search. Look up a word just by saying it. * Advanced Search options. * Look up the definition of any word on the page. Just highlight and tap "Definition." * Save bookmarks with one tap and sync them to all your devices. * Customize your homepage: Move, add, or remove articles, games, even local weather. * Jump to Definition, Thesaurus, or Translations with one button. * Navigate the app in more than a dozen languages with the multilingual interface. * Adjust font size. * Share your favorite words via social networks, email, or text. EXCLUSIVE * Earn meals for hungry children through The Free Dictionary's partnership with the World Food Program—just by using the app! This is not a trial version—you get everything free and forever. Additional offline dictionaries in other languages are available in the Pro version. Seem too good to be true? The Free Dictionary app has been downloaded tens of millions times across multiple platforms, with top ratings after hundreds of thousands of reviews. Read reviews from real users to see why they say The Free Dictionary is the best dictionary app they've ever used. * For app developers: The Free Dictionary app can be accessed by other apps with API calls (Contact Farlex for instructions).

About

Urban Dictionary

Access a vast collection of user-submitted definitions for slang and non-slang words. Search, vote on definitions, and discover new words with daily updates. Share interesting terms easily with friends.

Highlights
  • Unlimited free searches
  • Slang and non-slang definitions
  • Vote on definitions
  • Share definitions
  • Today's Urban Word of the Day
  • Autocomplete suggestions
Features
Read full description

Urban Dictionary is the people-powered dictionary of slang, culture, and how people really talk. Explore definitions written and voted on by the community: • Discover the Urban Word of the Day • Search any word, phrase, or saying • Get suggestions while you type • Find something unexpected with Random • Tap linked terms to keep exploring • Save your favorite definitions • Hear words pronounced aloud • Vote on definitions • Share definitions with friends • Choose light or dark mode Language changes every day. Urban Dictionary helps you keep up—and define your world.

Screenshots

Dictionary.4 screens
Urban Dictionary4 screens

Verdict

The call

The clearest difference is review sentiment: Dictionary. at 91% against Urban Dictionary's 39%. Dictionary. also leads on rating (4.8 vs 4.5) and ratings volume (15K vs 3.5K). Urban Dictionary's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence 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

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

ReceptionRating · Positive reviews · Number of ratings

Dictionary. holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 15K and 3.5K respectively. Written reviews point the same way: 91% of Dictionary.'s written reviews are positive against 39% of Urban Dictionary's.

UpkeepUpdate frequency

Dictionary. ships an update every 3 months, Urban Dictionary every 2 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

Scorecard7 real differences · 3 level
Dictionary. versus Urban Dictionary: the parameters behind the verdict, then further details
ParameterDictionary.Urban Dictionary
PriceFreeFree
Rating4.8 (15K ratings) — better4.5 (3.5K ratings)
Positive reviews90.7% of reviews — better39.5% of reviews
Number of ratings15K — better3.5K
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size25 MB25 MB
Age rating4+17+
DeveloperFarlex, Inc.Urban Dictionary

Customer experience

Dictionary.

All ratings14,555 ratings
Positive95.2%
Neutral2.2%
Negative2.7%
Written reviews2,164 reviews
Positive90.7%
Neutral2.7%
Negative6.6%

Urban Dictionary

All ratings3,526 ratings
Positive87.4%
Neutral3.1%
Negative9.5%
Written reviews228 reviews
Positive39.5%
Neutral15.4%
Negative45.2%

User reviews

Dictionary.

From 15K App Store ratings

What we love

  • 🚀 Comprehensive and detailed definitions
  • 👍 Helpful thesaurus and translation features
  • 🎮 Fun word games and activities
  • 📚 Vast amount of information beyond just definitions
  • 🔍 Easy to use and navigate

Room to improve

  • 🔍 Cluttered interface with too many ads
  • 🐛 Occasional crashes and bugs
  • 🔍 Difficulty finding specific settings or features
  • 🔋 Drains battery life quickly

Urban Dictionary

From 3.5K App Store ratings

What we love

  • 🤩 Entertaining and informative
  • 👍 Useful for understanding slang and new terminology
  • 🤓 Provides creative and humorous definitions

Room to improve

  • 🐛 App crashes or stops working
  • 🙄 Politically biased content
  • 🤢 Inappropriate or vulgar content
  • 🤔 Outdated or no longer supported

Bugs and requests

Dictionary.

Reported bugs

3 issues
  • Frequent login issues and lost user data
  • Inconsistent performance across devices
  • Incorrect or missing definitions for some words

Requested features

4 requests
  • Ability to create and organize custom word lists
  • More advanced vocabulary-building tools
  • Improved audio pronunciation quality
  • Offline access to full dictionary content

Urban Dictionary

Reported bugs

3 issues
  • App crashes on newer iOS versions
  • Search bar issues on certain devices
  • Notification feature not working

Requested features

4 requests
  • Add ability to submit own definitions
  • Implement dark mode option
  • Categorize content for better browsing
  • Add push notifications for word of the day

In-app purchases

1 purchases

Dictionary.

One-time1
  • Ad-free upgrade$5.99
None

Urban Dictionary

No in-app purchases

Questions

Is Dictionary. free?
Dictionary. is free to download, with in-app purchases available.
Is Urban Dictionary free?
Urban Dictionary is free to download, with no in-app purchases.
Which has better reviews, Dictionary. or Urban Dictionary?
Dictionary. is rated higher. Dictionary. averages 4.8 out of 5 from 15K ratings, while Urban Dictionary averages 4.5 from 3.5K ratings.
Do Dictionary. or Urban Dictionary have ads?
Dictionary. shows ads; Urban Dictionary does not.
Which is updated more often, Dictionary. or Urban Dictionary?
Dictionary. ships an update every 3 months, and Urban Dictionary every 2 months. Most recently, Dictionary. was updated on October 2, 2026 and Urban Dictionary on September 30, 2026.

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