Comparison

Companion Thesaurus vs Dictionary.

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

Head to head
About

Companion Thesaurus

Access a comprehensive thesaurus with over 145,000 headwords, offering synonyms, antonyms, and hypernyms. Features include real-time look-up, wildcard searches, and offline functionality. Supports a wide range of devices and integrates with other dictionary applications.

Highlights
  • 145,000+ headwords
  • Synonyms, antonyms, hypernyms
  • Real-time progressive look-up
  • Wildcard and partial searches
  • Hyperlinked entries
  • Offline use
  • Bookmarks and history
Features
Read full description

A complete thesaurus application with over 145,000 headwords -each with Synonyms, Antonyms plus lots of hypernyms. This will fill all your thesaurus needs: ● real-time progressive look-up ● wildcard searches for unknown spellings and quizzes ● Scrolling index overview ● partial and wildcard searches ● Hyperlinks from all entries ● Round-trip links out to supported dictionaries * ● bookmarks with notations ● automatic history ● AI boosted anagram generator ● 3D Touch support ● DarkMode support ● iPhone 17 & iOS26 support ● iPad "Fast App Switching" (Multitasking) ● iPad Pro multi-screen and Drag & Drop ● Support for iPhones, iPads, iPods and macOS ● complete offline use - no internet connection is required _______________________ We recommend this to all users of Enfour's dictionary applications running on UniDict® Engine. This application links to applications running on UniDict® Engine -tap on a headword to invoke a search. Link out to "Companion Thesaurus" just by tapping on any headword. (Cross-application links support 'round-trip' via the "Back" button.) _______________________ Thesaurus data from WordNet® 2.1 from Princeton University's Cognitive Science Laboratory. (the same as "Thesaurus App", "AED" and "WordBook" -only with much more functionality) _______________________ Running on Enfour's acclaimed "UniDict® Engine". Links work with all "Unidict Engine" English dictionary titles _______________________

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).

Screenshots

Companion Thesaurus4 screens
Dictionary.4 screens

Verdict

The call

The clearest difference is price: Dictionary. at Free against Companion Thesaurus's $1.99. Dictionary. also leads on ratings volume (15K vs 11). Companion Thesaurus's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support 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

Dictionary. is free to download; Companion Thesaurus costs $1.99 up front. Dictionary. sells 1 one-off in-app purchase. Companion Thesaurus asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Companion Thesaurus holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Dictionary. has 15K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 100% of Companion Thesaurus's written reviews are positive against 91% of Dictionary.'s.

UpkeepUpdate frequency

Companion Thesaurus ships an update monthly, Dictionary. every 3 months. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

Scorecard8 real differences · 2 level
Companion Thesaurus versus Dictionary.: the parameters behind the verdict, then further details
ParameterCompanion ThesaurusDictionary.
Price$1.99Free — better
Rating5.0 (11 ratings) — better4.8 (15K ratings)
Positive reviews100.0% of reviews — better90.7% of reviews
Number of ratings1115K — better
Update frequencyMonthly — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size73 MB25 MB
Age rating9+4+
DeveloperEnfour, Inc.Farlex, Inc.

Customer experience

Companion Thesaurus

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Dictionary.

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

Bugs and requests

Companion Thesaurus

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Companion Thesaurus

No in-app purchases

1 purchases

Dictionary.

One-time1
  • Ad-free upgrade$5.99

Questions

Is Companion Thesaurus free?
Companion Thesaurus costs $1.99, with no in-app purchases.
Is Dictionary. free?
Dictionary. is free to download, with in-app purchases available.
Which has better reviews, Companion Thesaurus or Dictionary.?
Companion Thesaurus is rated higher. Companion Thesaurus averages 5.0 out of 5 from 11 ratings, while Dictionary. averages 4.8 from 15K ratings.
Do Companion Thesaurus or Dictionary. have ads?
Dictionary. shows ads; Companion Thesaurus does not.
Which is updated more often, Companion Thesaurus or Dictionary.?
Companion Thesaurus ships an update monthly, and Dictionary. every 3 months. Most recently, Companion Thesaurus was updated on September 23, 2026 and Dictionary. on September 25, 2026.

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