Comparison

Wiki Search vs Deep Dictionary

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

Head to head
About

Wiki Search

Access and search the full text of Wikipedia and its sister projects. This app allows for more comprehensive keyword searches and displays multiple articles simultaneously, offering a unique experience compared to the web version.

Highlights
  • Full text search of Wikipedia
  • Searches sister projects (Wiktionary, Wikisource, etc.)
  • Displays multiple articles
  • Bookmark articles
  • View search history
  • Random article display
Features
Read full description

WikiSearch makes it easy to search and browse Wikipedia and other Wikimedia services. Choose a service and language to quickly access knowledge from around the world. Save interesting pages as bookmarks and easily return to previously viewed pages through your browsing history. Key features: • Search Wikipedia and other Wikimedia services • Search articles in a wide range of languages • Browse concise search-result summaries • Read pages in the built-in browser • Translate and share the page you are viewing • Open pages in an external browser • Manage bookmarks and browsing history • Reorder, back up, and restore bookmarks • Discover new pages with random search • Customize search-result, bookmark, and history limits • Dark Mode support From everyday research to unexpected discoveries, WikiSearch brings the vast world of Wikimedia knowledge closer to you.

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.

Screenshots

Wiki Search4 screens
Deep Dictionary4 screens

Verdict

The call

The clearest difference is ads: Wiki Search at none against Deep Dictionary's shown. Wiki Search also leads on monetization model (free vs ad-supported). Deep Dictionary's advantage is review sentiment (78% vs 50%) and update cadence (weekly vs every 2 weeks). On price, rating, in-app purchases and device support 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. 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 Wiki Search against 4.7 for Deep Dictionary. That said, the two scores are not equally well evidenced: Deep Dictionary has 51 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 50% of Wiki Search's written reviews are positive against 78% of Deep Dictionary's.

UpkeepUpdate frequency

Wiki Search ships an update every 2 weeks, Deep Dictionary weekly. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

Scorecard5 real differences · 5 level
Wiki Search versus Deep Dictionary: the parameters behind the verdict, then further details
ParameterWiki SearchDeep Dictionary
PriceFreeFree
Rating4.8 (8 ratings) — better4.7 (51 ratings)
Positive reviews50.0% of reviews77.8% of reviews — better
Number of ratings851 — better
Update frequencyEvery 2 weeksWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.0 — better
Further details — not scored
Size3 MB14 MB
Age rating17+12+
DeveloperKAZUYUKI TAJIMADEEPCO

Customer experience

Wiki Search

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews16 reviews
Positive50.0%
Neutral18.8%
Negative31.3%

Deep Dictionary

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

In-app purchases

None

Wiki Search

No in-app purchases

None

Deep Dictionary

No in-app purchases

Questions

Is Wiki Search free?
Wiki Search is free to download, with no in-app purchases.
Is Deep Dictionary free?
Deep Dictionary is free to download, with no in-app purchases.
Which has better reviews, Wiki Search or Deep Dictionary?
Wiki Search is rated higher. Wiki Search averages 4.8 out of 5 from 8 ratings, while Deep Dictionary averages 4.7 from 51 ratings.
Do Wiki Search or Deep Dictionary have ads?
Deep Dictionary shows ads; Wiki Search does not.
Which is updated more often, Wiki Search or Deep Dictionary?
Wiki Search ships an update every 2 weeks, and Deep Dictionary weekly. Most recently, Wiki Search was updated on October 10, 2026 and Deep Dictionary on October 5, 2026.

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