wordDNA vs mocavoca
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
wordDNA
This app helps users understand English vocabulary by breaking down words into their roots, prefixes, and suffixes. It provides bilingual explanations, pronunciation, and usage examples, with offline access and basic learning tools included for free. Advanced features and content are available through an optional subscription.
- Bilingual word explanations
- Etymology, roots, prefixes, suffixes
- Pronunciation and usage examples
- Offline dictionary lookup
- Favorites and saved words
- Basic quiz and review tools
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Every word has a story. Discover its DNA. Why does "goodbye" come from "God be with ye"? How did "nightmare" get its name? And what do seemingly unrelated English words have in common? Discover the fascinating history hidden inside everyday language with wordDNA, an etymology dictionary designed for curious minds. Whether you're a language enthusiast, a writer, a student, or simply someone who loves discovering where words come from, wordDNA makes exploring English etymology intuitive and enjoyable. EXPLORE WORD ORIGINS Look up English words and discover their origins, historical meanings, and linguistic connections. Follow the evolution of words across languages and centuries, from Latin and Greek to modern English. UNDERSTAND WORD STRUCTURE Explore how prefixes, roots, and suffixes contribute to word meanings. Discover the building blocks of English vocabulary and understand how words are formed. DISCOVER THREE WORDS EVERY DAY A little curiosity goes a long way. Explore three carefully selected words each day, accompanied by illustrations and interesting linguistic insights. Turn a few spare moments into a daily journey through language. YOUR PERSONAL WORD COLLECTION Save interesting words, build your own vocabulary collections, and revisit the words that catch your attention. Keep your favorite discoveries close at hand. LEARN IN YOUR OWN LANGUAGE Explore English words with definitions in English, Chinese, or Japanese. Choose your preferred dictionary language for free, or unlock all available languages with wordDNA Plus. GO FURTHER WITH WORDDNA PLUS Unlock additional features designed for deeper exploration: • Access all dictionary languages • Switch freely between English, Chinese, and Japanese definitions • Download complete offline dictionaries • Enjoy additional premium learning features A DICTIONARY FOR THE CURIOUS Language is full of surprises. Behind every familiar word lies a story of history, culture, and human imagination. Start exploring with wordDNA. Discover the stories behind the words.
mocavoca
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In mocavoca, every word you finish adds something to your cat café. ILLUSTRATED WORD CARDS Each card combines an illustration, definition, example sentence, and pronunciation. A short question follows the card. DAILY LIST The home screen shows today's new words and core reviews. After finishing the list, you can see the learning result and coin details for that day. CAT CAFÉ FURNITURE Correct answers and daily completion award in-app coins. Coins can be used to buy furniture and replace items in the café. Coins cannot be purchased with cash or exchanged for money. FOUR CATS Complete onboarding to unlock Mochi. Continued study unlocks Latte and Sora. Completing a word book unlocks Luna. WORD BOOKS AND DAILY PACE Choose a CET-4, CET-6, everyday-life, or café-themed word book, then set a daily pace of 5, 8, or 12 new words. Progress is stored separately for each book. SUBSCRIPTION mocavoca Monthly is an auto-renewable subscription that unlocks all word books and learning features. It includes a 3-day free trial, then renews monthly until cancelled in your Apple ID subscription settings. Payment is charged to your Apple ID. The app does not require an account. Word books, illustrations, progress, coins, furniture, and cat status are stored on the device. No ads. Learning coins cannot be bought with money. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: mocavoca at none against wordDNA's shown. wordDNA's advantage is update cadence (every 6 days vs monthly). On price, in-app purchases, 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
Both are free to download. wordDNA sells 3 in-app purchases, starting at $0.99 per month and mocavoca sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
wordDNA ships an update every 6 days, mocavoca monthly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.
| Parameter | wordDNA | mocavoca |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 days — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.5 | 17.0 — better |
| Further details — not scored | ||
| Size | 89 MB | 518 MB |
| Age rating | 4+ | 4+ |
| Developer | 峰 潘 | Moonshot Technologies HK Limited |
In-app purchases
wordDNA
- OpenEtymology Plus Monthly3 Days trial$0.991 Month
- OpenEtymology Plus Yearly7 Days trial$6.991 Year
- OpenEtymology Plus Lifetime$14.99
mocavoca
- mocavoca Monthly3 Days trial$0.991 Month








