Comparison

Flashcards 3D vs Cheongdok AI

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

Head to head
About

Flashcards 3D

Features
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Flashcards 3D brings your flashcards to life in three dimensions. The cards feel like physical objects in your hand. You can move and flip them for a more immersive learning experience. # Key features: - Easily generate up to 1000 flashcards by AI. - View and interact with flashcards in 3D. - Build long-term memory retention with Spaced Repetition Algorithm. - Use random practice mode for cramming. - Practice pronunciation with audio flashcards. - Dictionary: translate word among popular languages while practicing flashcards. - Flashcard hand drawing. - Add and manage flashcard collection easily and in offline mode. - Flashcard collection can be imported and shared as CSV file. - Support hand drawing on the card. - Support word lookup to double check flashcard content. - Support languages: English, Japanese, Chinese, Korean, Thai, Vietnamese. # For AI-Generated flashcards Data is sourced from leading open-source word banks, including CC-CEDICT , Wiktionary and more. If the requested content is not available in these word banks, it may be generated by a Large Language Model. You can double check the content by using lookup feature. When editing the card, press on the [Lookup icon], you will be redirected to Cambridge Dictionary, or Oxford website to verify and update the content manually. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Cheongdok AI

Features
Read full description

Cheongdok AI turns Korean text into a Hanja reading, conversion, and translation assistant. Convert Hangul-only Korean into mixed Korean-Hanja text, or convert mixed script back to plain Korean. Scan Korean text or Hanja from books, signs, notes, and documents, remove pronunciation marks and annotation noise, read it aloud, adjust playback speed, translate it, and copy clean results to your clipboard. KEY FEATURES - Korean to Mixed Hanja Conversion β€” Replace Sino-Korean words in Hangul with Hanja - Mixed Hanja to Korean β€” Convert mixed Korean-Hanja text back into plain Korean - Script Variants β€” Convert Hanja into simplified Chinese, traditional Chinese, or Japanese shinjitai forms - Smart Scan Cleanup β€” Remove pronunciation marks and annotation noise while scanning Korean text - Read Aloud β€” Listen to clean text with adjustable playback speed - Translation β€” Understand Korean and Hanja text right away - Clipboard Copy β€” Copy converted, translated, or recognized text instantly - Simple & Fast β€” Open, scan, convert, listen, and copy without extra friction Cheongdok AI is designed for learners, readers, and anyone working with Korean Hanja, classical-style Korean text, or mixed-script materials. Whether you are studying vocabulary, reading older documents, or comparing Hanja across writing systems, Cheongdok AI helps you move between scripts with less effort. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Flashcards 3D4 screens
Cheongdok AI4 screens

Verdict

The call

The clearest difference is update cadence: Flashcards 3D at every 6 days against Cheongdok AI's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Flashcards 3D sells 7 in-app purchases, starting at $5.99 per month and Cheongdok AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flashcards 3D ships an update every 6 days, Cheongdok AI every 3 weeks. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

Scorecard1 real difference Β· 5 level
Flashcards 3D versus Cheongdok AI: the parameters behind the verdict, then further details
ParameterFlashcards 3DCheongdok AI
PriceFreeFree
Update frequencyEvery 6 days β€” betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad β€” better
Requires iOS1818.0
Further details β€” not scored
Size57 MB11 MB
Age rating4+4+
DeveloperNhut HuynhJungsoo Nam

In-app purchases

7 purchases

Flashcards 3D

Subscriptions5
  • Flashy Monthly7 Days trial$5.991 Month
  • Monthly Package3 Days trial$6.991 Month
  • Flashy 3 Months7 Days trial$12.993 Months
Show 2 more
  • Flashy Yearly7 Days trial$34.991 Year
  • Yearly Package3 Days trial$59.991 Year
One-time2
  • Daily Usage Reset$1.99
  • AI Boost Pack$1.99
2 purchases

Cheongdok AI

Subscriptions2
  • Monthly Premium$4.991 Month
  • Yearly Premium$34.991 Year

Questions

Is Flashcards 3D free?
Flashcards 3D is free to download, with in-app purchases available.
Is Cheongdok AI free?
Cheongdok AI is free to download, with in-app purchases available.
Do Flashcards 3D or Cheongdok AI have ads?
Neither Flashcards 3D nor Cheongdok AI shows ads.
Which is updated more often, Flashcards 3D or Cheongdok AI?
Flashcards 3D ships an update every 6 days, and Cheongdok AI every 3 weeks. Most recently, Flashcards 3D was updated on October 18, 2026 and Cheongdok AI on October 20, 2026.

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