# 키드키즈 AR vs Chaipang Math

The clearest difference is in-app purchases: 키드키즈 AR at none against Chaipang Math's 3. 키드키즈 AR also leads on iOS requirement (8.0 vs 13.0). Chaipang Math's advantage is update cadence (fortnightly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Chaipang Math sells 3 in-app purchases, starting at $24.99 per month. 키드키즈 AR asks for nothing beyond the download.

키드키즈 AR ships an update monthly, Chaipang Math fortnightly. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 키드키즈 AR | Chaipang Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 435 MB | 277 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EK Co., Ltd.](https://appshunter.io/developer/384040867) | [Wecref Co., Ltd.](https://appshunter.io/developer/1570555584) |

## What reviewers say

### 키드키즈 AR

[App page](https://appshunter.io/ios/app/ar/id1198426539)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chaipang Math

[App page](https://appshunter.io/ios/app/chaipang-math/id6449987310)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1개월 구독 | $24.99 | per month |
| 3개월 구독 | $59.99 | per 3 months |
| 6개월 구독 | $69.99 | per 6 months |


## Frequently asked questions

### Is 키드키즈 AR free?

키드키즈 AR is free to download, with no in-app purchases.

### Is Chaipang Math free?

Chaipang Math is free to download, with in-app purchases available.

### Do 키드키즈 AR or Chaipang Math have ads?

Neither 키드키즈 AR nor Chaipang Math shows ads.

### Which is updated more often, 키드키즈 AR or Chaipang Math?

키드키즈 AR ships an update monthly, and Chaipang Math fortnightly. Most recently, 키드키즈 AR was updated on September 17, 2026 and Chaipang Math on September 11, 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.*