# 沙漏时钟 vs Twinkle Clock

The clearest difference is in-app purchases: 沙漏时钟 at none against Twinkle Clock's 1. 沙漏时钟 also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Twinkle Clock sells 1 one-off in-app purchase. 沙漏时钟 asks for nothing beyond the download.

## The numbers

| Metric | 沙漏时钟 | Twinkle Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 21 MB | 23 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [硕 贾](https://appshunter.io/developer/1503882416) | [Hiroyasu Hirai](https://appshunter.io/developer/455568461) |

## What reviewers say

### 沙漏时钟

[App page](https://appshunter.io/ios/app/id1584650893)

**Features:** macOS Compatibility

**In-app purchases:** none


### Twinkle Clock

[App page](https://appshunter.io/ios/app/twinkle-clock/id6467501688)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twinkle Clock Pro | $24.99 | one-time |


## Frequently asked questions

### Is 沙漏时钟 free?

沙漏时钟 is free to download, with no in-app purchases.

### Is Twinkle Clock free?

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

### Do 沙漏时钟 or Twinkle Clock have ads?

Neither 沙漏时钟 nor Twinkle Clock shows ads.

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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.*