# OnTime Clock vs 知休闹钟

The clearest difference is in-app purchases: OnTime Clock at none against 知休闹钟's 1. OnTime Clock also leads on ads (none vs shown). 知休闹钟's advantage is update cadence (every 8 days vs every 2 months) and iOS requirement (18.2 vs 26.0). On price and device support there is nothing between them.

Both are free to download. 知休闹钟 sells 1 one-off in-app purchase. OnTime Clock asks for nothing beyond the download.

OnTime Clock ships an update every 2 months, 知休闹钟 every 8 days. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | OnTime Clock | 知休闹钟 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 18 MB | 44 MB |
| Requires iOS | 26.0 | **18.2** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [文巧 刘](https://appshunter.io/developer/1870071617) | [传凯 鞠](https://appshunter.io/developer/1800098161) |

## What reviewers say

### OnTime Clock

[App page](https://appshunter.io/ios/app/ontime-clock/id6758231595)

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

**In-app purchases:** none


### 知休闹钟

[App page](https://appshunter.io/ios/app/id6759860883)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员 | $3.99 | one-time |


## Frequently asked questions

### Is OnTime Clock free?

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

### Is 知休闹钟 free?

知休闹钟 is free to download, with in-app purchases available.

### Do OnTime Clock or 知休闹钟 have ads?

知休闹钟 shows ads; OnTime Clock does not.

### Which is updated more often, OnTime Clock or 知休闹钟?

OnTime Clock ships an update every 2 months, and 知休闹钟 every 8 days. Most recently, OnTime Clock was updated on October 11, 2026 and 知休闹钟 on October 6, 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.*