# 测量工具 vs 镜土

The clearest difference is review sentiment: 测量工具 at 84% against 镜土's 0%. 测量工具 also leads on rating (4.5 vs 2.0) and ratings volume (77 vs 6). 镜土's advantage is ads (none vs shown). On price, update cadence, 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.

测量工具 holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: 测量工具 has 77 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 84% of 测量工具's written reviews are positive against 0% of 镜土's.

测量工具 ships an update monthly, 镜土 every 3 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 测量工具 | 镜土 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (77 ratings)](https://appshunter.io/ios/app/id1113334130/reviews)** | [2.0 (6 ratings)](https://appshunter.io/ios/app/id1497422355/reviews) |
| Number of ratings | **77** | 6 |
| Positive reviews | **84.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 161 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞剑 姚](https://appshunter.io/developer/1113334129) | [Shanghai Mixu Technology Co.,Ltd](https://appshunter.io/developer/1497422354) |

## What reviewers say

### 测量工具

[App page](https://appshunter.io/ios/app/id1113334130)

This utility app offers a suite of measurement tools for your phone. It includes a ruler, protractor, noise meter, distance calculator, level, compass, and flashlight. Easily measure lengths, angles, sound levels, and more with convenient on-the-go tools.

**Highlights:** Ruler (metric/inch), Noise meter (decibel), Protractor (camera-based), Distance measurement, Level tool, Compass, Flashlight

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

**In-app purchases:** none


### 镜土

[App page](https://appshunter.io/ios/app/id1497422355)

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

**In-app purchases:** none


## Frequently asked questions

### Is 测量工具 free?

测量工具 is free to download, with no in-app purchases.

### Is 镜土 free?

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

### Which has better reviews, 测量工具 or 镜土?

测量工具 is rated higher. 测量工具 averages 4.5 out of 5 from 77 ratings, while 镜土 averages 2.0 from 6 ratings.

### Do 测量工具 or 镜土 have ads?

测量工具 shows ads; 镜土 does not.

### Which is updated more often, 测量工具 or 镜土?

测量工具 ships an update monthly, and 镜土 every 3 weeks. Most recently, 测量工具 was updated on November 11, 2026 and 镜土 on November 3, 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.*