# Flashcards 3D vs Cheongdok AI

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.

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.

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.

## The numbers

| Metric | Flashcards 3D | Cheongdok AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 57 MB | 11 MB |
| Requires iOS | 18 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Nhut Huynh](https://appshunter.io/developer/6786500127) | [Jungsoo Nam](https://appshunter.io/developer/6782075910) |

## What reviewers say

### Flashcards 3D

[App page](https://appshunter.io/ios/app/flashcards-3d/id6642654598)

**Features:** Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flashy Monthly | $5.99 | per month |
| Monthly Package | $6.99 | per month |
| Flashy 3 Months | $12.99 | per 3 months |
| Flashy Yearly | $34.99 | per year |
| Yearly Package | $59.99 | per year |
| Daily Usage Reset | $1.99 | one-time |
| AI Boost Pack | $1.99 | one-time |


### Cheongdok AI

[App page](https://appshunter.io/ios/app/cheongdok-ai-hanja-reader/id6782077049)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $34.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*