Comparison

Skritter vs duiduidui!

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

Head to head
About

Skritter

Master Mandarin characters through interactive writing practice. Learn meanings, readings, and tones with curated decks for all levels, from beginner to advanced.

Highlights
  • Interactive character writing practice
  • Learn character meaning, reading, and tone
  • Topic-based and difficulty-level decks
  • HSK 1-9 study decks
  • Stroke order guidance
  • Review mode
Features
Read full description

Practice Chinese writing with Skritter, whether you have a strong grasp of written Chinese and want to remember the characters better or are a beginner who doesn’t know where to start. Skritter has existed for more than 10 years, and for a good reason: our learners are amazing! They help us with feedback which allows us to create what we think is the best Chinese writing app out there! If you have seen Chinese writing before, you probably noticed that it requires us to learn characters rather than the roman alphabet we know from English. You can learn it through our “decks” (similar to a card deck) based on topics and difficulty. Popular Decks: - Ordering or making coffee or tea (so you can get your morning caffeine fix) - Chinese Stroke Order - HSK 1-6 & New HSK3.0 1-9 study decks - More advanced topics like Yoga and talking about your Emotions - The 16-episode Ultimate Chinese Character course First, you learn a character’s meaning, reading, and tone; then practice writing it! Before you know it, you’ll want to learn thousands of characters, and words like these two happy users: “If I could only keep one app on my iPod, this would be it without a doubt. Skritter will change your life!” ― Wendy Werneth, UN Translator “Learning to write characters has never been so fun. From writing zero to 2000+ characters in six months!” ― Brian Jackson, Economist Try our app and see for yourself why thousands of people use it every day. Have questions, problems, or feedback? We would love to hear from you. Reach out to us at team@skritter.com ----------- Guest accounts enjoy free access to select decks forever! Unlock Review mode, and study anything you want with a premium subscription, which is available for purchase in the app. Big savings offered on 12-month subscriptions! • One month subscription (automatically renewed until canceled) • 12-month subscription (automatically renewed until canceled) Recurring billing, cancel anytime. Within 24 hours before the subscription period ends, you will be charged through your iTunes account. Manage your subscription from your iTunes App Store settings where you can turn off auto-renewal at any time. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://skritter.com/legal Terms of Use: https://docs.skritter.com/article/133-terms-of-use

About

duiduidui!

This app offers a comprehensive Chinese dictionary with audio and example sentences, plus an AI tutor for grammar and conversation practice. Features include a personal phrasebook, camera translation, and adaptive flashcards to track learning progress. It's designed to adapt to your learning style and grow with you from beginner to fluency.

Highlights
  • Comprehensive Mandarin dictionary
  • AI tutor for grammar and conversation
  • Personal phrasebook
  • Camera-based translation
  • Adaptive flashcards
  • Offline functionality
  • Progress tracking
Features
Read full description

duiduidui! is the Chinese learning app that actually keeps up with you. At its heart is a comprehensive Mandarin dictionary — over 200,000 words and phrases, with pinyin, natural-speech audio, and example sentences for every entry. It goes well beyond the textbook, covering modern vocabulary, colloquial speech, and the slang people actually use online and in everyday conversation. Look anything up, tap to hear it — and it all works offline, so your dictionary is with you on the subway, on a plane, or anywhere the signal drops. But duiduidui! is more than a dictionary: • Your own phrasebook — Star any word or phrase to build a personal phrasebook of favorites, always a tap away and ready to review whenever you want. • AI tutor — Chat in Chinese or English with a patient tutor that explains grammar, corrects you gently, and answers "but why?" as many times as you need. • Snap to translate — Point your camera at a sign, a menu, or handwriting and get an instant translation. • Adaptive flashcards — The review system tracks what you actually know and steers you toward the cards you're ready to learn next — never too easy, never overwhelming. • Real progress — Watch your vocabulary, streaks, and skill level grow, session by session. How it works duiduidui! learns your strengths and gaps as you study, then balances new words against review so you stay in the sweet spot for learning. The more you use it, the better it fits you. Start with a 7-day full-access trial — the entire dictionary, the AI tutor, and adaptive flashcards, free for a week. No commitment up front. Whether you're learning your first character or polishing toward fluency, duiduidui! grows with you. 对对对 — "right, right, right." — Subscription details: • After the free trial, duiduidui! offers Monthly ($12.99) and Annual ($89.99) subscriptions. • Payment is charged to your Apple ID at confirmation of purchase. • Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. • Manage or cancel anytime in your Apple ID settings. • Terms of Use: https://duiduidui.app/en/terms-of-service/ • Privacy Policy: https://duiduidui.app/en/privacy-policy/

Screenshots

Skritter4 screens
duiduidui!4 screens

Verdict

The call

The clearest difference is ratings volume: Skritter at 823 against duiduidui!'s 3. Skritter also leads on device support (3 vs 1). duiduidui!'s advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases 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. Skritter sells 9 in-app purchases, starting at $9.99 per month and duiduidui! sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

duiduidui! holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Skritter has 823 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Skritter ships an update monthly, duiduidui! every 6 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Skritter versus duiduidui!: the parameters behind the verdict, then further details
ParameterSkritterduiduidui!
PriceFreeFree
Rating4.7 (823 ratings)5.0 (3 ratings) — better
Positive reviews82.9% of reviews—
Number of ratings823 — better3
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size54 MB111 MB
Age rating4+12+
DeveloperInkren, Inc.Red Thread Labs LLC

Customer experience

Skritter

All ratings816 ratings
Positive92.0%
Neutral2.0%
Negative6.0%
Written reviews381 reviews
Positive82.9%
Neutral5.5%
Negative11.5%

duiduidui!

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Skritter

Reported bugs

4 issues
  • Subscription issues and unauthorized charges
  • App freezing and crashing
  • Syncing problems across devices
  • Inconsistent character recognition

Requested features

5 requests
  • Allow creating custom decks and word lists
  • Add Cantonese support
  • Improve landscape mode on iPad
  • Provide more detailed performance tracking
  • Add ability to focus on specific problem characters

duiduidui!

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Skritter

Subscriptions9
  • Skritter Premium (1 month)7 Days trial$9.991 Month
  • Skritter Premium (1 month)7 Days trial2 variants$14.991 Month
  • Skritter Premium (1 month)14 Days trial$14.991 Month
Show 6 more
  • Skritter Premium (6 month)7 Days trial$59.996 Months
  • Skritter Premium (6 month)14 Days trial$59.996 Months
  • Skritter Premium (6 month)7 Days trial$69.996 Months
  • Skritter Premium (1 year)7 Days trial2 variants$99.991 Year
  • Skritter Premium (1 year)14 Days trial$99.991 Year
  • Skritter Premium (1 year)7 Days trial$119.991 Year
2 purchases

duiduidui!

Subscriptions2
  • Monthly$12.991 Month
  • Annual$89.991 Year

Questions

Is Skritter free?
Skritter is free to download, with in-app purchases available.
Is duiduidui! free?
duiduidui! is free to download, with in-app purchases available.
Which has better reviews, Skritter or duiduidui!?
duiduidui! is rated higher. Skritter averages 4.7 out of 5 from 823 ratings, while duiduidui! averages 5.0 from 3 ratings.
Do Skritter or duiduidui! have ads?
Neither Skritter nor duiduidui! shows ads.
Which is updated more often, Skritter or duiduidui!?
Skritter ships an update monthly, and duiduidui! every 6 weeks. Most recently, Skritter was updated on October 29, 2026 and duiduidui! on October 28, 2026.

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