Comparison

Dictionary.com vs Power Thesaurus

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

Head to head
About

Dictionary.com

Access over 2 million definitions and synonyms to enhance your English vocabulary. This app offers daily new words, example sentences, idioms, rhymes, and audio pronunciations. Improve your writing with grammar tips and explore word origins.

Highlights
  • 2 million+ definitions and synonyms
  • Word of the Day
  • Audio pronunciations
  • Grammar tips
  • Idioms and rhymes
  • Search history
  • Dictionary Shuffle game
Features
Currently charting
Read full description

Download the #1 free dictionary app! With more than 2 million trusted definitions and synonyms, this English dictionary and thesaurus app for iPhone is optimized for your mobile device. Improve your English vocabulary, whether you're just starting your learning journey or you're already a word wizard. Install the app for access to definitions and synonyms whenever and wherever you need them — no bulky books necessary. Flip to dark mode to give your eyes a break, or stick to the traditional set-up. In addition to the trusted reference content from Dictionary.com and Thesaurus.com, this education app includes: Word of the Day ► Learn a new word each day and expand your vocabulary. Example Sentences ► Browse real-world example sentences to see how words are used. Idioms ► Explore how words can gain new meanings. Rhymes ► Finish every verse. Audio Pronunciations ► Never mispronounce another word. Grammar ► Get grammar tips, word usage, and more to improve your writing. Editorial Articles ► Explore editorial content for features on words, the origins of the English language, and the nuances that make English so complicated and unique. Search History ► Customize your recently searched word list, and never forget the newest words you’ve learned. Dictionary Shuffle ► Think you know ALL the definitions? Prove it with Dictionary Shuffle, which chooses a word at random and brings you to the definition. A-Z Dictionary ► What’s more exciting than ... wait for it … browsing the Dictionary?! We’ve now made it even easier, with the A–Z Dictionary.

About

Power Thesaurus

This app provides synonyms, antonyms, definitions, and related words, expertly reviewed for clarity. It offers a fast, user-friendly experience for writers, students, and professionals to express ideas clearly and confidently.

Highlights
  • Ad-free PRO Membership
  • Intuitive navigation
  • Smart filters
  • Flexible sorting
  • Quick tools (copy, pronounce, save)
  • Personal library (favorites, history)
  • Cross-device sync
Features
Read full description

Brought to you by PowerThesaurus.org, the trusted and acclaimed online thesaurus. Discover accurate synonyms, antonyms, definitions and related words — expertly reviewed and continuously refined for clarity and context. Enjoy a fast, comprehensive, and user-friendly experience built for writers, students, and professionals. Power Thesaurus helps you express ideas clearly and confidently, wherever you write. Key Features • Ad-free PRO Membership – unlock more content and seamless browsing • Intuitive navigation – a clean, easy-to-use interface • Smart filters – narrow results by part of speech, tags, or type • Flexible sorting – arrange by rating, alphabet, syllables, or length • Quick tools – copy, pronounce, and save words instantly • Personal library – favorites and search history at your fingertips • Cross-device sync – access your account anywhere Loved by millions worldwide, Power Thesaurus makes word discovery effortless. If you enjoy the app, please take a moment to rate and review — your feedback helps us improve. Questions or suggestions? Contact apple@powerthesaurus.org. Write with confidence. Express with precision! Terms and Conditions: https://www.powerthesaurus.org/_terms_conditions Privacy Policy: https://www.powerthesaurus.org/_privacy_statement

Screenshots

Dictionary.com4 screens
Power Thesaurus3 screens

Verdict

The call

Dictionary.com and Power Thesaurus both sit at 4.8 stars, but that hides the real split: 86% of Power Thesaurus's written reviews are positive against 26% of Dictionary.com's. Dictionary.com's advantage is in-app purchases (none vs 2) and ratings volume (328K vs 3.1K). On price, rating, update cadence 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. Power Thesaurus sells 2 in-app purchases, starting at $3.99 per month. Dictionary.com 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 Dictionary.com against 4.8 for Power Thesaurus. That said, the two scores are not equally well evidenced: Dictionary.com has 328K ratings behind it against 3.1K, so its average is the more settled of the two. Written reviews are what separate them: 26% of Dictionary.com's written reviews are positive against 86% of Power Thesaurus's.

UpkeepUpdate frequency

Dictionary.com ships an update every 3 weeks, Power Thesaurus monthly. The most recent releases landed on November 12, 2026 and November 11, 2026 respectively.

Scorecard5 real differences · 6 level
Dictionary.com versus Power Thesaurus: the parameters behind the verdict, then further details
ParameterDictionary.comPower Thesaurus
PriceFreeFree
Rating4.8 (328K ratings) — better4.8 (3.1K ratings)
Positive reviews25.6% of reviews85.7% of reviews — better
Number of ratings328K — better3.1K
Update frequencyEvery 3 weeks — betterMonthly
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
Best chart rank#143 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size35 MB70 MB
Age rating12+4+
DeveloperCuriosity MediaRadyushin Pty Ltd

Customer experience

Dictionary.com

All ratings327,776 ratings
Positive95.5%
Neutral2.0%
Negative2.5%
Written reviews1,392 reviews
Positive25.6%
Neutral9.3%
Negative65.1%

Power Thesaurus

All ratings3,078 ratings
Positive95.2%
Neutral1.4%
Negative3.4%
Written reviews384 reviews
Positive85.7%
Neutral3.6%
Negative10.7%

User reviews

Dictionary.com

From 328K App Store ratings

What we love

  • 🚀 Robust dictionary and thesaurus
  • 🤓 Helpful resources like blogs and articles
  • 💡 Useful word games and puzzles
  • 👍 Easy to use and navigate
  • 🤩 Great for expanding vocabulary

Room to improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
  • 🤔 Confusing layout changes and UI issues
  • 🤷‍♀️ Paid features not always working as expected

Power Thesaurus

From 3.1K App Store ratings

What we love

  • ⭐ Invaluable tool for everyone
  • 🚀 Must have
  • ⭐ Superior
  • ⭐ Synonyms
  • ⭐ Indispensable

Room to improve

  • 🔌 Could be better
  • 🐛 Crashes
  • 🐛 Crashes the second you tried to open it
  • 🐛 New updates cause crashes
  • 🐛 Crashes and won't open

Bugs and requests

Dictionary.com

Reported bugs

5 issues
  • Notifications not working as expected
  • Inconsistent behavior when tapping on words
  • Offline dictionary not downloading properly
  • Frequent crashes and freezes on various devices
  • Paid features not unlocking or resetting unexpectedly

Requested features

5 requests
  • Dedicated section to display all forms of a word
  • Ability to create and manage custom word lists
  • Improved offline mode with more functionality
  • Better integration with other productivity apps
  • More language support beyond just English

Power Thesaurus

Reported bugs

4 issues
  • Login screen freezes
  • Incompatible with older devices
  • Paid account suddenly gone?
  • App still crashes after update

Requested features

5 requests
  • Separate favorites and new words/vocabulary
  • Flash card review mode with audio
  • Bookmark/favorite feature
  • Dark mode option
  • Advanced analytics dashboard

In-app purchases

None

Dictionary.com

No in-app purchases

2 purchases

Power Thesaurus

Subscriptions2
  • PRO Monthly$3.991 Month
  • PRO Annual$29.991 Year

Questions

Is Dictionary.com free?
Dictionary.com is free to download, with no in-app purchases.
Is Power Thesaurus free?
Power Thesaurus is free to download, with in-app purchases available.
Which has better reviews, Dictionary.com or Power Thesaurus?
Dictionary.com is rated higher. Dictionary.com averages 4.8 out of 5 from 328K ratings, while Power Thesaurus averages 4.8 from 3.1K ratings.
Do Dictionary.com or Power Thesaurus have ads?
Both Dictionary.com and Power Thesaurus show ads.
Which is updated more often, Dictionary.com or Power Thesaurus?
Dictionary.com ships an update every 3 weeks, and Power Thesaurus monthly. Most recently, Dictionary.com was updated on November 12, 2026 and Power Thesaurus on November 11, 2026.

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