# 尺子测量 vs 卷尺测量仪

The clearest difference is iOS requirement: 尺子测量 at 11.0 against 卷尺测量仪's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 尺子测量 sells 5 in-app purchases, starting at $1.99 per 7 days and 卷尺测量仪 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

尺子测量 ships an update weekly, 卷尺测量仪 every 10 days. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 尺子测量 | 卷尺测量仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 30 MB | 18 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [然 杨](https://appshunter.io/developer/1630415499) | [Shenzhen Chuyue Technology Co.,Ltd](https://appshunter.io/developer/1562971471) |

## What reviewers say

### 尺子测量

[App page](https://appshunter.io/ios/app/and/id6444145798)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 罄如纤尺子测量：周高级订阅服务 | $1.99 | per 7 days |
| 尺子测量：周高级订阅服务 | $2.99 | per 7 days |
| 罄如纤尺子测量：季度高级订阅服务 | $14.99 | per 3 months |
| 尺子测量：季度高级服务订阅 | $24.99 | per 3 months |
| 尺子测量：季度高级订阅服务 | $30.99 | per 3 months |


### 卷尺测量仪

[App page](https://appshunter.io/ios/app/ar-and/id6752848919)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 测量月卡 | $2.99 | one-time |
| 季卡 | $6.99 | one-time |
| 年卡 | $29.99 | one-time |


## Frequently asked questions

### Is 尺子测量 free?

尺子测量 is free to download, with in-app purchases available.

### Is 卷尺测量仪 free?

卷尺测量仪 is free to download, with in-app purchases available.

### Do 尺子测量 or 卷尺测量仪 have ads?

Neither 尺子测量 nor 卷尺测量仪 shows ads.

### Which is updated more often, 尺子测量 or 卷尺测量仪?

尺子测量 ships an update weekly, and 卷尺测量仪 every 10 days. Most recently, 尺子测量 was updated on October 7, 2026 and 卷尺测量仪 on October 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.*