# 매스타트 수학학원 vs Thaw

The clearest difference is in-app purchases: 매스타트 수학학원 at none against Thaw's 3. 매스타트 수학학원 also leads on ads (none vs shown) and device support (3 vs 1). Thaw's advantage is update cadence (every 6 days vs every 12 months). On price and iOS requirement there is nothing between them.

Both are free to download. Thaw sells 3 one-off in-app purchases. 매스타트 수학학원 asks for nothing beyond the download.

매스타트 수학학원 ships an update every 12 months, Thaw every 6 days. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 매스타트 수학학원 | Thaw |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 31 MB | 202 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [minho cha](https://appshunter.io/developer/1718015566) | [Inflab](https://appshunter.io/developer/1500528359) |

## What reviewers say

### 매스타트 수학학원

[App page](https://appshunter.io/ios/app/id6472876760)

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

**In-app purchases:** none


### Thaw

[App page](https://appshunter.io/ios/app/thaw-study-timer-and-cam/id6795001840)

This app visualizes your focus time by melting ice, celebrating effort over results. Collaborate with friends to melt shared ice and track your progress together. Earn cute rewards for your dedication.

**Highlights:** Ice melts as you focus, Collaborative ice melting with friends, Track focus consistency and immersion, Share focus sessions and study records, Earn cute in-app rewards, Start focusing independently

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 개발자에게 커피 한 잔 | $0.99 | one-time |
| 개발자에게 커피 세 잔 | $2.99 | one-time |
| 개발자에게 커피 열 잔 | $11.99 | one-time |


## Frequently asked questions

### Is 매스타트 수학학원 free?

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

### Is Thaw free?

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

### Do 매스타트 수학학원 or Thaw have ads?

Thaw shows ads; 매스타트 수학학원 does not.

### Which is updated more often, 매스타트 수학학원 or Thaw?

매스타트 수학학원 ships an update every 12 months, and Thaw every 6 days. Most recently, 매스타트 수학학원 was updated on October 19, 2026 and Thaw 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.*