Comparison

Chambers Dictionary vs Dictionary and Thesaurus Pro

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

Head to head
About

Chambers Dictionary

This comprehensive English dictionary offers extensive coverage of words, including new terms from science and culture. It features intelligent search with spelling suggestions, pattern matching, and filtering, plus standard tools like bookmarks and anagrams. An offline reference for word enthusiasts and crossword solvers.

Highlights
  • Extensive word coverage
  • Latest new words
  • Intelligent spelling suggestions
  • Advanced search with pattern matching
  • Filter search results by word type
  • Offline functionality
  • Anagrams
Features
Currently charting
Read full description

Chambers is the single-volume international English dictionary with the widest coverage of all the riches of the English language. Clear, accurate and occasionally witty definitions, with the latest new words from science, technology and contemporary culture. This 13th Edition reflects the changes in our language, with special attention paid to new words that have emerged, new uses of old words and the most up-to-date pronunciation. The 13th Edition includes over 260,000 distinct words, compounds, phrases and derived forms. The intelligent word entry suggests possible correct spellings as you type, as well as listing words that sound the same or are often confused. Search features include: - Alphabetical listing - Spelling suggestions - Sounds-like and often-confused - Fast pattern-matching search (*, ?, vowel and consonant) - Filter search results by noun, verb, adjective, adverbs - Customize search options (case, derived forms, etc) - Full text search - Anagrams There are also standard bookmark, recent word and random word features. No Internet connection is required, and it supports Split View and Slide over for use with other apps on iPad. The Chambers Dictionary is treasured by word-lovers and crossword enthusiasts for its majestic coverage of English and its tradition of sneaking in a sprinkling of light-hearted definitions. Alone among the single-volume dictionaries, it preserves a rich stock of words from our literary heritage as well as covering all the latest developments in contemporary English. Chambers Thesaurus is also available as a separate app, and can easily be cross-referenced from the dictionary. Our WordWeb, Chambers, Collins and Oxford dictionaries are also available separately for Windows and Mac desktop.

About

Dictionary and Thesaurus Pro

Access a comprehensive offline dictionary and thesaurus with extensive content in multiple languages. Explore definitions, synonyms, and specialized dictionaries for various fields. Enjoy an ad-free experience with features like word games and instant lookups.

Highlights
  • Ad-free experience
  • Offline English dictionary and thesaurus
  • Offline dictionaries in 13 languages
  • Offline translations to over 40 languages
  • Specialty dictionaries (Medical, Legal, etc.)
  • Word games and daily content
  • Instant word lookup from other apps
Features
Currently charting
Read full description

Get the world's most comprehensive ad-free dictionary and thesaurus with extensive offline dictionary content and synonyms. Dictionary Pro is the premium version of The Free Dictionary app, featuring: * No ads. * A comprehensive English offline dictionary and offline thesaurus. * Offline dictionaries in 13 other languages. * Offline translations of English into more than 40 languages. * Dozens of other offline translation options. Rated #1 app in the App Store in the paid reference category in 109 countries 2011–2019 (Source: http://www.appannie.com/apps/ios/app/492085918/app-ranking/#device=iphone&type=best-ranks) Plus TheFreeDictionary's classic app content: * Find every word you search for. Get results from trusted sources: Webster's Dictionary Roget's Thesaurus The American Heritage Dictionary + More than 100 dictionaries and encyclopedias from these top publishers: McGraw-Hill Houghton Mifflin HarperCollins Random House Elsevier + More! * Learn the word. Clear definitions, example sentences, etymologies, illustrations, and more. * Learn how to say it. Play audio pronunciations and hear it pronounced. * Learn something new. Word of the Day and other fresh daily content. * Find the perfect synonym fast. East-to-use Thesaurus with synonyms, antonyms, and related words. * Explore topics in-depth. Multiple specialty dictionaries and encyclopedias: Medical Legal Science Financial Idioms Acronyms and Abbreviations + More! * Watch idioms in action. View idioms videos inside the app and see idioms and slang explained. * Play word games. Spelling Bee, Hangman, and more. * Access dictionaries in 13 other languages, including: Spanish French German Italian Portuguese Russian Chinese + More! What makes Dictionary Pro 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. Just say the word to look it up. * 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 definitions and articles 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! Not convinced? Read our reviews to see why our users say this is the best dictionary app they've ever used. How do we do it? Farlex is a leader in dictionary apps. We work with the best publishers to bring together trusted content in the most comprehensive, authoritative dictionary apps on the market. Find our other apps by searching "Dictionary by Farlex" in the App Store. * For app developers: The Free Dictionary app can be accessed by other apps with API calls (Contact Farlex for instructions).

Screenshots

Chambers Dictionary4 screens
Dictionary and Thesaurus Pro4 screens

Verdict

The call

The clearest difference is ratings volume: Dictionary and Thesaurus Pro at 2.6K against Chambers Dictionary's 13. Dictionary and Thesaurus Pro also leads on iOS requirement (13.0 vs 15.5). On price, rating, review sentiment and update cadence 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

Chambers Dictionary costs $9.99 and Dictionary and Thesaurus Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Chambers Dictionary against 4.9 for Dictionary and Thesaurus Pro. That said, the two scores are not equally well evidenced: Dictionary and Thesaurus Pro has 2.6K ratings behind it against 13, so its average is the more settled of the two. Written reviews are what separate them: 79% of Chambers Dictionary's written reviews are positive against 87% of Dictionary and Thesaurus Pro's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 9 level
Chambers Dictionary versus Dictionary and Thesaurus Pro: the parameters behind the verdict, then further details
ParameterChambers DictionaryDictionary and Thesaurus Pro
Price$9.99$9.99
Rating4.8 (13 ratings)4.9 (2.6K ratings) — better
Positive reviews78.8% of reviews86.5% of reviews — better
Number of ratings132.6K — better
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#198#176 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.513.0 — better
Further details — not scored
Size58 MB22 MB
Age rating4+4+
DeveloperAntony LewisFarlex, Inc.

Customer experience

Chambers Dictionary

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews113 reviews
Positive78.8%
Neutral8.8%
Negative12.4%

Dictionary and Thesaurus Pro

All ratings2,560 ratings
Positive97.0%
Neutral1.1%
Negative1.9%
Written reviews468 reviews
Positive86.5%
Neutral2.8%
Negative10.7%

Bugs and requests

Chambers Dictionary

Not enough reviews yet to summarise bugs or requests.

Dictionary and Thesaurus Pro

Reported bugs

3 issues
  • Search function sometimes fails to load definitions
  • Offline mode has fewer word entries than online
  • Occasional sync issues between online and offline data

Requested features

4 requests
  • Add more language dictionaries
  • Improve thesaurus with more synonyms and antonyms
  • Implement flashcard or vocabulary building features
  • Allow users to save custom word lists

In-app purchases

None

Chambers Dictionary

No in-app purchases

None

Dictionary and Thesaurus Pro

No in-app purchases

Questions

Is Chambers Dictionary free?
Chambers Dictionary costs $9.99, with no in-app purchases.
Is Dictionary and Thesaurus Pro free?
Dictionary and Thesaurus Pro costs $9.99, with no in-app purchases.
Which has better reviews, Chambers Dictionary or Dictionary and Thesaurus Pro?
Dictionary and Thesaurus Pro is rated higher. Chambers Dictionary averages 4.8 out of 5 from 13 ratings, while Dictionary and Thesaurus Pro averages 4.9 from 2.6K ratings.
Do Chambers Dictionary or Dictionary and Thesaurus Pro have ads?
Neither Chambers Dictionary nor Dictionary and Thesaurus Pro shows ads.
Which is updated more often, Chambers Dictionary or Dictionary and Thesaurus Pro?
Chambers Dictionary ships an update every 4 months, and Dictionary and Thesaurus Pro every 4 months. Most recently, Chambers Dictionary was updated on September 21, 2026 and Dictionary and Thesaurus Pro on September 23, 2026.
Which is more popular, Chambers Dictionary or Dictionary and Thesaurus Pro?
Chambers Dictionary currently peaks at #198 in the App Store charts, and Dictionary and Thesaurus Pro at #176. Chart position reflects recent download velocity rather than total install base.

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