# 钥匙尺子 vs BHand

The clearest difference is update cadence: 钥匙尺子 at fortnightly against BHand's every 2 months. 钥匙尺子 also leads on iOS requirement (10.0 vs 14). 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.

钥匙尺子 ships an update fortnightly, BHand every 2 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 钥匙尺子 | BHand |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 31 MB | 38 MB |
| Requires iOS | **10.0** | 14 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Wuxi Kaiyang Electronic Technology Co., Ltd.](https://appshunter.io/developer/1131154502) | [Tongdy Sensing Technology Corporation](https://appshunter.io/developer/1473098642) |

## What reviewers say

### 钥匙尺子

[App page](https://appshunter.io/ios/app/id1479796469)

**Features:** macOS Compatibility

**In-app purchases:** none


### BHand

[App page](https://appshunter.io/ios/app/bhand/id6449812443)

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

**In-app purchases:** none


## Frequently asked questions

### Is 钥匙尺子 free?

钥匙尺子 is free to download, with no in-app purchases.

### Is BHand free?

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

### Do 钥匙尺子 or BHand have ads?

Neither 钥匙尺子 nor BHand shows ads.

### Which is updated more often, 钥匙尺子 or BHand?

钥匙尺子 ships an update fortnightly, and BHand every 2 months. Most recently, 钥匙尺子 was updated on October 25, 2026 and BHand on October 30, 2026.

---

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