# 대충시계 vs Watch Sensor Logger

The clearest difference is ads: 대충시계 at none against Watch Sensor Logger's shown. 대충시계 also leads on review sentiment (67% vs 50%). Watch Sensor Logger's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

대충시계 ships an update every 33 months, Watch Sensor Logger every 25 months. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 대충시계 | Watch Sensor Logger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watch-sensor-logger/id1634449655/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 33 months | **Every 25 months** |
| Monetization | Free | Free |
| Size | 3 MB | 17 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Yunsu Guk](https://appshunter.io/developer/1348856433) | [yuya kanbetsunawa](https://appshunter.io/developer/1597026161) |

## What reviewers say

### 대충시계

[App page](https://appshunter.io/ios/app/id1534435771)

Customize your home screen with a unique widget displaying the time in Korean characters. This utility app allows you to easily add a Korean-language clock to your device's display.

**Highlights:** Korean language clock widget, Home screen customization, Easy widget addition, Unique time display

**Features:** macOS Compatibility

**In-app purchases:** none


### Watch Sensor Logger

[App page](https://appshunter.io/ios/app/watch-sensor-logger/id1634449655)

Log detailed motion and GPS data from your Apple Watch. Export sensor readings like acceleration, attitude, and location as a CSV file for analysis. This app is exclusively designed for Apple Watch.

**Highlights:** Log sensor data, GPS tracking, Export to CSV, Acceleration logging, Attitude data, Time stamping

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 대충시계 free?

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

### Is Watch Sensor Logger free?

Watch Sensor Logger is free to download, with no in-app purchases.

### Do 대충시계 or Watch Sensor Logger have ads?

Watch Sensor Logger shows ads; 대충시계 does not.

### Which is updated more often, 대충시계 or Watch Sensor Logger?

대충시계 ships an update every 33 months, and Watch Sensor Logger every 25 months. Most recently, 대충시계 was updated on October 12, 2026 and Watch Sensor Logger on October 21, 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.*