# 슬탐생 vs 성인의 수학

The clearest difference is in-app purchases: 슬탐생 at none against 성인의 수학's 2. 슬탐생 also leads on ads (none vs shown). 성인의 수학's advantage is update cadence (weekly vs every 47 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 성인의 수학 sells 2 one-off in-app purchases. 슬탐생 asks for nothing beyond the download.

슬탐생 ships an update every 47 months, 성인의 수학 weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 슬탐생 | 성인의 수학 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 47 months | **Weekly** |
| Size | 38 MB | 48 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [jinmin chang](https://appshunter.io/developer/1654847073) | [Mijin Kim](https://appshunter.io/developer/1717382242) |

## What reviewers say

### 슬탐생

[App page](https://appshunter.io/ios/app/id6444464618)

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

**In-app purchases:** none


### 성인의 수학

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

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 힌트쿠폰 10개 | $1.99 | one-time |
| 광고 제거 | $3.99 | one-time |


## Frequently asked questions

### Is 슬탐생 free?

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

### Is 성인의 수학 free?

성인의 수학 is free to download, with in-app purchases available.

### Do 슬탐생 or 성인의 수학 have ads?

성인의 수학 shows ads; 슬탐생 does not.

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

슬탐생 ships an update every 47 months, and 성인의 수학 weekly. Most recently, 슬탐생 was updated on October 30, 2026 and 성인의 수학 on October 31, 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.*