# 피아노 레슨 카드 vs Thaw

The clearest difference is in-app purchases: 피아노 레슨 카드 at none against Thaw's 3. 피아노 레슨 카드 also leads on ads (none vs shown) and update cadence (daily vs every 6 days). On price there is nothing between them.

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

피아노 레슨 카드 ships an update daily, Thaw every 6 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 피아노 레슨 카드 | Thaw |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 6 days |
| Monetization | — | Free |
| Size | 21 MB | 202 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shinhye Lee](https://appshunter.io/developer/1707333313) | [Inflab](https://appshunter.io/developer/1500528359) |

## What reviewers say

### 피아노 레슨 카드

[App page](https://appshunter.io/ios/app/id6760224601)

**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 피아노 레슨 카드 free?

피아노 레슨 카드 is free to download, with no in-app purchases.

### Is Thaw free?

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

### Do 피아노 레슨 카드 or Thaw have ads?

Thaw shows ads; 피아노 레슨 카드 does not.

### Which is updated more often, 피아노 레슨 카드 or Thaw?

피아노 레슨 카드 ships an update daily, and Thaw every 6 days. Most recently, 피아노 레슨 카드 was updated on October 28, 2026 and Thaw on October 29, 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.*