Comparison

Deep Dictionary vs Thesaurus dictionary

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

Head to head
About

Deep Dictionary

Access definitions from various sources like Wikipedia and Urban Dictionary, with multilingual support and pronunciation guides. Enhance your vocabulary with synonyms, related words, and real-life usage examples.

Highlights
  • Multilingual definitions
  • Urban Dictionary slang integration
  • Wikipedia content access
  • Pronunciation guides and usage examples
  • Comprehensive thesaurus
  • Images and contextual phrases
Features
Read full description

Deep Dictionary is like Wikipedia, Urban Dictionary, Oxford English Dictionary, and Youglish all in one App! Deep Dictionary supports multiple languages! Get definitions in Japanese, Chinese, Russian, German, Spanish, and French alongside English. The best multilingual dictionary for learning and translation—perfect for English-Japanese dictionary, English-Chinese dictionary, English-Russian dictionary, English-German dictionary, English-Spanish dictionary, and English-French dictionary! With direct integration with Urban Dictionary, you'll never miss the latest slang and expressions. Our app ensures you stay updated with contemporary language trends, capturing the essence of the latest terms just like Urban Dictionary. Like YouGlish, our app offers pronunciation guides and real-life usage examples through integrated YouTube clips. Need scientific definitions? Our app connects you to comprehensive Wikipedia entries. For dictionary definitions, Deep Dictionary includes images and contextual phrases to make vocabulary building a breeze. Download now to enhance your vocabulary with the best of both traditional and contemporary language tools. Download the Deep Dictionary app for free and start your English learning right away. ## KEY FEATURES: ## Thesaurus: Deep Dictionary is more than just a dictionary—it's a comprehensive thesaurus at your fingertips. Unlike traditional thesaurus apps that focus solely on synonyms and antonyms, Deep Dictionary broadens your vocabulary with a wide range of related words that are more practical for everyday use. Whether you’re writing, studying, or simply want to expand your vocabulary, our thesaurus feature offers tools that go beyond just finding synonyms and antonyms. Discover new words and enhance your language skills with Deep Dictionary’s unique approach to the thesaurus! ## Wikipedia: Deep Dictionary includes direct references to authentic Wikipedia content, wrapped in an improved, user-friendly interface. Now you can access reliable Wikipedia information. Whether you’re a student, a professional, or simply curious, Deep Dictionary provides a seamless Wikipedia-like experience for all things related to words and their meanings. ## Reliable Sources: Looking for an alternative to Dictionary.com? Deep Dictionary provides everything you need, from detailed definitions to pronunciation guides, much like Dictionary.com. With features similar to Dictionary.com, Deep Dictionary helps you explore the English language with ease. If you love Dictionary.com, you'll find Deep Dictionary an equally valuable resource for learning and mastering English. And what's better? Deep Dictionary doesn't have Ads to interrupt your learning experience. ## Pick Up Slangs like Urban Dictionary: Stay updated with the latest trends in language. Our direct integration with Urban Dictionary ensures you’re never out of the loop with contemporary and evolving terms. When you prefer, jump over to the Urban Dictionary website to explore more with one simple tap! ## Best Youglish Alternative on iOS: iPhone users have long sought a good YouGlish substitute, and now you've found it! Deep Dictionary offers pronunciation guides and real-life usage examples. ## Academic: Inspired by the Oxford English Dictionary, Deep Dictionary offers a wealth of detailed definitions and historical contexts, just like the Oxford English Dictionary. Dive into the depths of the English language with a dictionary that mirrors the comprehensive nature of the Oxford English Dictionary. Whether you’re studying or just curious about words, our app provides the insights you need, much like the Oxford English Dictionary.

About

Thesaurus dictionary

Enhance your writing by accessing a thesaurus directly from your keyboard. Select any word in any app to instantly see synonyms and related terms, helping you expand your vocabulary and refine your text. This ad-free tool offers a simple and effective way to improve your communication.

Highlights
  • Keyboard thesaurus integration
  • Instant word suggestions
  • Synonym lookup in any app
  • Ad-free experience
  • Simple interface
Features
Read full description

Improve your writing with alternative word suggestion with a thesaurus built right into your keyboard. Just select a word and get similar words in any app your working in. Ad free and simple. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/thirtynineapps-privacy/home

Screenshots

Deep Dictionary4 screens
Thesaurus dictionary4 screens

Verdict

The call

The clearest difference is review sentiment: Deep Dictionary at 78% against Thesaurus dictionary's 33%. Deep Dictionary also leads on in-app purchases (none vs 3) and update cadence (every 5 days vs every 3 weeks). Thesaurus dictionary's advantage is ads (none vs shown) and ratings volume (291 vs 51). On price, 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

Both are free to download. Thesaurus dictionary sells 3 in-app purchases, starting at $1.99 per 7 days. Deep Dictionary asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Deep Dictionary holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Thesaurus dictionary has 291 ratings behind it against 51, so its average is the more settled of the two. Written reviews point the same way: 78% of Deep Dictionary's written reviews are positive against 33% of Thesaurus dictionary's.

UpkeepUpdate frequency

Deep Dictionary ships an update every 5 days, Thesaurus dictionary every 3 weeks. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

Scorecard7 real differences · 3 level
Deep Dictionary versus Thesaurus dictionary: the parameters behind the verdict, then further details
ParameterDeep DictionaryThesaurus dictionary
PriceFreeFree
Rating4.7 (51 ratings) — better4.5 (291 ratings)
Positive reviews77.8% of reviews — better33.3% of reviews
Number of ratings51291 — better
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS16.016.0
Further details — not scored
Size13 MB4 MB
Age rating12+4+
DeveloperDEEPCOLEAP STUDIO

Customer experience

Deep Dictionary

All ratings51 ratings
Positive92.2%
Neutral3.9%
Negative3.9%
Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

Thesaurus dictionary

All ratings291 ratings
Positive85.6%
Neutral6.5%
Negative7.9%
Written reviews9 reviews
Positive33.3%
Neutral22.2%
Negative44.4%

In-app purchases

None

Deep Dictionary

No in-app purchases

3 purchases

Thesaurus dictionary

Subscriptions3
  • Weekly7 Days trial$1.997 Days
  • Monthly$4.991 Month
  • Yearly$24.991 Year

Questions

Is Deep Dictionary free?
Deep Dictionary is free to download, with no in-app purchases.
Is Thesaurus dictionary free?
Thesaurus dictionary is free to download, with in-app purchases available.
Which has better reviews, Deep Dictionary or Thesaurus dictionary?
Deep Dictionary is rated higher. Deep Dictionary averages 4.7 out of 5 from 51 ratings, while Thesaurus dictionary averages 4.5 from 291 ratings.
Do Deep Dictionary or Thesaurus dictionary have ads?
Deep Dictionary shows ads; Thesaurus dictionary does not.
Which is updated more often, Deep Dictionary or Thesaurus dictionary?
Deep Dictionary ships an update every 5 days, and Thesaurus dictionary every 3 weeks. Most recently, Deep Dictionary was updated on September 27, 2026 and Thesaurus dictionary on September 28, 2026.

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