# Cashlearning vs 성인의 수학

The clearest difference is in-app purchases: Cashlearning at none against 성인의 수학's 2. 성인의 수학's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

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

Cashlearning ships an update every 3 weeks, 성인의 수학 weekly. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cashlearning | 성인의 수학 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cashlearning/id6757780714/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 64 MB | 48 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [JaeHyun Kim](https://appshunter.io/developer/1868896791) | [Mijin Kim](https://appshunter.io/developer/1717382242) |

## What reviewers say

### Cashlearning

[App page](https://appshunter.io/ios/app/cashlearning/id6757780714)

Learn daily economic terms from news headlines in just three minutes a day. This app offers quick quizzes with explanations, helping you understand financial concepts and stay informed about current economic events. Earn points and rewards for consistent learning.

**Highlights:** Daily economic quizzes, News-based vocabulary, Instant explanations, Progress tracking and streaks, Earnable points and rewards, Social sharing and friend challenges

**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 Cashlearning free?

Cashlearning 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 Cashlearning or 성인의 수학 have ads?

Both Cashlearning and 성인의 수학 show ads.

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

Cashlearning ships an update every 3 weeks, and 성인의 수학 weekly. Most recently, Cashlearning was updated on October 17, 2026 and 성인의 수학 on October 25, 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.*