# 기적수업 vs 성인의 수학

The clearest difference is ads: 기적수업 at none against 성인의 수학's shown. 기적수업 also leads on iOS requirement (11.0 vs 13.0). 성인의 수학's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

기적수업 ships an update every 2 months, 성인의 수학 every 3 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 기적수업 | 성인의 수학 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 12 MB | 48 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Swing2App Co. Ltd.](https://appshunter.io/developer/573223450) | [Mijin Kim](https://appshunter.io/developer/1717382242) |

## What reviewers say

### 기적수업

[App page](https://appshunter.io/ios/app/id6445974934)

**Features:** macOS Compatibility

**In-app purchases:** none


### 성인의 수학

[App page](https://appshunter.io/ios/app/id6782822659)

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

**In-app purchases:** none


## Frequently asked questions

### Is 기적수업 free?

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

### Is 성인의 수학 free?

성인의 수학 is free to download, with no in-app purchases.

### Do 기적수업 or 성인의 수학 have ads?

성인의 수학 shows ads; 기적수업 does not.

### Which is updated more often, 기적수업 or 성인의 수학?

기적수업 ships an update every 2 months, and 성인의 수학 every 3 weeks. Most recently, 기적수업 was updated on October 13, 2026 and 성인의 수학 on October 7, 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.*