# StopWatchhh vs Sungong

The clearest difference is in-app purchases: Sungong at none against StopWatchhh's 1. StopWatchhh's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. StopWatchhh sells 1 one-off in-app purchase. Sungong asks for nothing beyond the download.

StopWatchhh ships an update every 3 weeks, Sungong every 11 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | StopWatchhh | Sungong |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 54 MB | 51 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YURI AZUMA](https://appshunter.io/developer/1482795478) | [joonseo park](https://appshunter.io/developer/1265149051) |

## What reviewers say

### StopWatchhh

[App page](https://appshunter.io/ios/app/stopwatchhh-lap-timer/id6746962611)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Sungong

[App page](https://appshunter.io/ios/app/sungong-pomodoro-study-timer/id6776498059)

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

**In-app purchases:** none


## Frequently asked questions

### Is StopWatchhh free?

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

### Is Sungong free?

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

### Do StopWatchhh or Sungong have ads?

Both StopWatchhh and Sungong show ads.

### Which is updated more often, StopWatchhh or Sungong?

StopWatchhh ships an update every 3 weeks, and Sungong every 11 days. Most recently, StopWatchhh was updated on October 8, 2026 and Sungong on October 1, 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.*