# Calendar Clock vs 数字传感器

The clearest difference is price: 数字传感器 at Free against Calendar Clock's $0.99. 数字传感器 also leads on update cadence (monthly vs every 41 months) and iOS requirement (12.0 vs 26.5). On ads, in-app purchases and device support there is nothing between them.

数字传感器 is free to download; Calendar Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calendar Clock ships an update every 41 months, 数字传感器 monthly. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Calendar Clock | 数字传感器 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Monthly** |
| Monetization | Paid | — |
| Size | 4 MB | 28 MB |
| Requires iOS | 26.5 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [Hangzhou Zhongpu Technology Co., Ltd.](https://appshunter.io/developer/1673927421) |

## What reviewers say

### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

**Highlights:** All-in-one screen display, Year, month, week, day, hour, minute, second, Switchable theme colors (dark, light, green, blue), Disables device sleep mode, Acts as a desk clock

**Features:** macOS Compatibility

**In-app purchases:** none


### 数字传感器

[App page](https://appshunter.io/ios/app/id6445811889)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Is 数字传感器 free?

数字传感器 is free to download, with no in-app purchases.

### Do Calendar Clock or 数字传感器 have ads?

Neither Calendar Clock nor 数字传感器 shows ads.

### Which is updated more often, Calendar Clock or 数字传感器?

Calendar Clock ships an update every 41 months, and 数字传感器 monthly. Most recently, Calendar Clock was updated on November 11, 2026 and 数字传感器 on November 10, 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.*