# 分秒算术 vs 强制闹钟

The clearest difference is update cadence: 强制闹钟 at every 6 weeks against 分秒算术's every 10 months. 分秒算术's advantage is iOS requirement (10.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

分秒算术 ships an update every 10 months, 强制闹钟 every 6 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 分秒算术 | 强制闹钟 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Size | 24 MB | 50 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [镭瑚 王](https://appshunter.io/developer/1802522164) | [光发 吴](https://appshunter.io/developer/1289552084) |

## What reviewers say

### 分秒算术

[App page](https://appshunter.io/ios/app/1/id6746329322)

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

**In-app purchases:** none


### 强制闹钟

[App page](https://appshunter.io/ios/app/id6771248287)

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

**In-app purchases:** none


## Frequently asked questions

### Is 分秒算术 free?

分秒算术 is free to download, with no in-app purchases.

### Is 强制闹钟 free?

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

### Do 分秒算术 or 强制闹钟 have ads?

Neither 分秒算术 nor 强制闹钟 shows ads.

### Which is updated more often, 分秒算术 or 强制闹钟?

分秒算术 ships an update every 10 months, and 强制闹钟 every 6 weeks. Most recently, 分秒算术 was updated on October 14, 2026 and 强制闹钟 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*