# Twinkle Clock vs 测了个测

The clearest difference is in-app purchases: 测了个测 at none against Twinkle Clock's 1. Twinkle Clock's advantage is device support (4 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Twinkle Clock sells 1 one-off in-app purchase. 测了个测 asks for nothing beyond the download.

Twinkle Clock ships an update fortnightly, 测了个测 every 10 days. The most recent releases landed on August 15, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Twinkle Clock | 测了个测 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Size | 23 MB | 129 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyasu Hirai](https://appshunter.io/developer/455568461) | [Shanghai Liangjiang Yidi Digital Technology Co., Ltd.](https://appshunter.io/developer/1894969866) |

## What reviewers say

### Twinkle Clock

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

**In-app purchases (1)**

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


### 测了个测

[App page](https://appshunter.io/ios/app/mbti/id6784694663)

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

**In-app purchases:** none


## Frequently asked questions

### Is Twinkle Clock free?

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

### Is 测了个测 free?

测了个测 is free to download, with no in-app purchases.

### Do Twinkle Clock or 测了个测 have ads?

Neither Twinkle Clock nor 测了个测 shows ads.

### Which is updated more often, Twinkle Clock or 测了个测?

Twinkle Clock ships an update fortnightly, and 测了个测 every 10 days. Most recently, Twinkle Clock was updated on August 15, 2026 and 测了个测 on September 15, 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.*