# hamahama vs Thaw

The clearest difference is in-app purchases: hamahama at none against Thaw's 3. hamahama also leads on ads (none vs shown). Thaw's advantage is update cadence (every 6 days vs every 3 weeks) and review sentiment (100% vs 85%). On price, monetization model, device support and iOS requirement there is nothing between them.

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

hamahama ships an update every 3 weeks, Thaw every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | hamahama | Thaw |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 32 MB | 202 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [sangwon kwon](https://appshunter.io/developer/1797055084) | [Inflab](https://appshunter.io/developer/1500528359) |

## What reviewers say

### hamahama

[App page](https://appshunter.io/ios/app/hamahama-ai-lock-in-timer/id6753915085)

This app uses AI to accurately track your focused study time, automatically pausing when you're away from your desk. It generates study timelapses, provides detailed statistics, and allows you to compete with friends in study groups.

**Highlights:** AI-measured focused study time, Automatic timer pausing, Study timelapse generation, Detailed study statistics, Daily study goals, Friend group competition, Zoom study sessions

**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 hamahama free?

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

### Is Thaw free?

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

### Do hamahama or Thaw have ads?

Thaw shows ads; hamahama does not.

### Which is updated more often, hamahama or Thaw?

hamahama ships an update every 3 weeks, and Thaw every 6 days. Most recently, hamahama was updated on October 30, 2026 and Thaw 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.*