# 闹钟 vs Hourglass Timer

The clearest difference is price: 闹钟 at Free against Hourglass Timer's $0.99. 闹钟 also leads on in-app purchases (none vs 1) and update cadence (every 10 days vs monthly). Hourglass Timer's advantage is ads (none vs shown). On device support and iOS requirement there is nothing between them.

闹钟 is free to download; Hourglass Timer costs $0.99 up front. Hourglass Timer sells 1 one-off in-app purchase. 闹钟 asks for nothing beyond the download.

闹钟 ships an update every 10 days, Hourglass Timer monthly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 闹钟 | Hourglass Timer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Monthly |
| Size | 62 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [云雷 滕](https://appshunter.io/developer/1746951126) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### 闹钟

[App page](https://appshunter.io/ios/app/and-and/id6746827463)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hourglass Timer

[App page](https://appshunter.io/ios/app/hourglass-timer-sawaru/id6802140694)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tactile Material Pack | $0.49 | one-time |


## Frequently asked questions

### Is 闹钟 free?

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

### Is Hourglass Timer free?

Hourglass Timer costs $0.99, and also offers in-app purchases.

### Do 闹钟 or Hourglass Timer have ads?

闹钟 shows ads; Hourglass Timer does not.

### Which is updated more often, 闹钟 or Hourglass Timer?

闹钟 ships an update every 10 days, and Hourglass Timer monthly. Most recently, 闹钟 was updated on October 24, 2026 and Hourglass Timer on October 29, 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.*