Comparison

Wiktionary Reader 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

Wiktionary Reader

Access a comprehensive, multilingual free dictionary. Search for keywords with full-text search and browse results. Explore random entries or manage your saved pages.

Highlights
  • Full-text search
  • Multilingual dictionary access
  • Browse random entries
  • Bookmark and history management
  • Language selection
Features
Read full description

Wiktionary Reader is a fast, focused way to explore Wiktionary — the free, collaborative, multilingual dictionary — on iPhone and iPad. SEARCH 198 LANGUAGE EDITIONS Look up words in English, Japanese, French, German, Chinese, and nearly 200 other Wiktionary editions. Reorder the language list to keep your favorites on top, and hide the ones you don't need. QUICK LOOKUPS Matching entries appear as soon as you search, and recent results are cached so repeat lookups show up instantly. Tap the dice button to discover a random entry and pick up a new word. A BETTER READING VIEW • Search an entry's title again with a single tap • Translate an entry into your preferred language with the globe button (powered by Google Translate) • Follow links freely with Home, Back, and Forward buttons • Open an entry in Safari or share it • Dark Mode support • Save images from entries to Photos BOOKMARKS AND HISTORY Bookmark the words you want to come back to. Every entry you open is added to your history automatically. Search and reorder both lists, and set how many items each one keeps. Export your bookmarks to a file and import them on another device. TWO-COLUMN LAYOUT ON LARGER SCREENS On an unfolded iPhone Duo or on iPad, search results appear on the left and the entry on the right, so you can move from word to word without losing your place. Fold your iPhone Duo and the app switches to a single column automatically. You can turn the two-column layout off in Settings. AVAILABLE IN 50 LANGUAGES The app's interface is localized into 50 languages, including English and Japanese. Wiktionary Reader is not an official app of the Wikimedia Foundation. Wiktionary content is written by its contributors and is available under the Creative Commons Attribution-ShareAlike License and other licenses. An internet connection is required to search and read entries.

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 a powerful English dictionary designed to help you understand words, explore their meanings, and build your vocabulary. It 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

Wiktionary Reader4 screens
Deep Dictionary4 screens

Verdict

The call

The clearest difference is rating: Deep Dictionary at 4.7 against Wiktionary Reader's 3.9. Deep Dictionary also leads on review sentiment (78% vs 51%) and update cadence (weekly vs monthly). Wiktionary Reader's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Deep Dictionary holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 63 and 51 respectively. Written reviews point the same way: 51% of Wiktionary Reader's written reviews are positive against 78% of Deep Dictionary's.

UpkeepUpdate frequency

Wiktionary Reader ships an update monthly, Deep Dictionary weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
Wiktionary Reader versus Deep Dictionary: the parameters behind the verdict, then further details
ParameterWiktionary ReaderDeep Dictionary
PriceFreeFree
Rating3.9 (63 ratings)4.7 (51 ratings) — better
Positive reviews51.4% of reviews77.8% of reviews — better
Number of ratings63 — better51
Update frequencyMonthlyWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size4 MB11 MB
Age rating17+12+
DeveloperKAZUYUKI TAJIMADEEPCO

Customer experience

Wiktionary Reader

All ratings63 ratings
Positive68.3%
Neutral9.5%
Negative22.2%
Written reviews70 reviews
Positive51.4%
Neutral11.4%
Negative37.1%

Deep Dictionary

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

In-app purchases

None

Wiktionary Reader

No in-app purchases

None

Deep Dictionary

No in-app purchases

Questions

Is Wiktionary Reader free?
Wiktionary Reader 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, Wiktionary Reader or Deep Dictionary?
Deep Dictionary is rated higher. Wiktionary Reader averages 3.9 out of 5 from 63 ratings, while Deep Dictionary averages 4.7 from 51 ratings.
Do Wiktionary Reader or Deep Dictionary have ads?
Deep Dictionary shows ads; Wiktionary Reader does not.
Which is updated more often, Wiktionary Reader or Deep Dictionary?
Wiktionary Reader ships an update monthly, and Deep Dictionary weekly. Most recently, Wiktionary Reader was updated on October 24, 2026 and Deep Dictionary on October 25, 2026.

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