Dictionary and Thesaurus Pro icon
Reference

Dictionary and Thesaurus Pro

Farlex, Inc.

4.862.6K ratings

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:

Apple API verifiedUnited StatesReference
Open in App Store
Current download price$9.99
1 price observation
Aug 4

Regional download prices

Latest verified download price in each collected storefront. Open a row to verify the current price on Apple.

StorefrontDownload priceCurrencyObservedOfficial store
NGNigeria₦ 14,900.00NGNAug 4, 2026View Apple price
USUnited StatesCurrent storefront$9.99USDAug 4, 2026View Apple price

In-app purchases in United States

Items currently visible on Apple’s public App Store page. This may not be the complete App Store Connect catalog.

Fresh cache
No public in-app purchase items were visible for this storefront at the latest check.

Source: Apple public App Store page · Publicly visible items only · Checked Aug 4, 2026

About Dictionary and Thesaurus ProStorefront description supplied by Apple.

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).

Frequently asked questions

Quick answers based on the latest observed App Store data.

How much does Dictionary and Thesaurus Pro cost in United States?

The latest observed download price is $9.99. Open the official App Store link to confirm the current checkout price.

Does Dictionary and Thesaurus Pro have in-app purchases?

Apple's public page currently shows 0 purchase items in this storefront. The public list may be incomplete.

Can the price differ by country?

Yes. App Store prices can vary by storefront, currency, taxes, and developer pricing. We currently have 2 regional observations.