# 极简全屏时钟 vs JiaClock

The clearest difference is in-app purchases: 极简全屏时钟 at none against JiaClock's 3. 极简全屏时钟 also leads on iOS requirement (15.6 vs 17.0). JiaClock's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. JiaClock sells 3 in-app purchases, starting at $0.99 per month. 极简全屏时钟 asks for nothing beyond the download.

极简全屏时钟 ships an update every 5 days, JiaClock every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 极简全屏时钟 | JiaClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 15 MB | 30 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [Beijing Boshujia Technology Co., Ltd](https://appshunter.io/developer/1666207574) |

## What reviewers say

### 极简全屏时钟

[App page](https://appshunter.io/ios/app/id6743525111)

**Features:** macOS Compatibility

**In-app purchases:** none


### JiaClock

[App page](https://appshunter.io/ios/app/jiaclock/id6776895229)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xiaojia Clock Pro Monthly | $0.99 | per month |
| Xiaojia Clock Pro Yearly | $0.99 | per year |
| Xiaojia Clock Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is 极简全屏时钟 free?

极简全屏时钟 is free to download, with no in-app purchases.

### Is JiaClock free?

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

### Do 极简全屏时钟 or JiaClock have ads?

极简全屏时钟 shows ads; JiaClock does not.

### Which is updated more often, 极简全屏时钟 or JiaClock?

极简全屏时钟 ships an update every 5 days, and JiaClock every 4 days. Most recently, 极简全屏时钟 was updated on October 30, 2026 and JiaClock on October 28, 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.*