# 测量工具Pro vs BaiOCR

The clearest difference is ratings volume: BaiOCR at 62 against 测量工具Pro's 2. BaiOCR also leads on update cadence (every 3 weeks vs every 3 months). 测量工具Pro's advantage is price ($0.99 vs $1.99). On rating, review sentiment, ads and in-app purchases there is nothing between them.

测量工具Pro costs $0.99 and BaiOCR $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for 测量工具Pro against 5.0 for BaiOCR. That said, the two scores are not equally well evidenced: BaiOCR has 62 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 95% and 95% positive.

测量工具Pro ships an update every 3 months, BaiOCR every 3 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 测量工具Pro | BaiOCR |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/pro/id1206313711/reviews) | [5.0 (62 ratings)](https://appshunter.io/ios/app/baiocr-text-grabber-scanner/id1437865316/reviews) |
| Number of ratings | 2 | **62** |
| Positive reviews | 95.2% of reviews | **95.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 54 MB | 10 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞剑 姚](https://appshunter.io/developer/1113334129) | [新乐 陶](https://appshunter.io/developer/826439308) |

## What reviewers say

### 测量工具Pro

[App page](https://appshunter.io/ios/app/pro/id1206313711)

This app offers a suite of essential measurement and utility tools, including a ruler, protractor, noise meter, and distance calculator. It also features a level, compass, and flashlight for everyday tasks. Designed for convenience, it puts a collection of useful gadgets right in your pocket.

**Highlights:** Ruler with metric and inch support, Noise meter for sound decibel detection, Protractor for measuring angles, Distance measurement tool, Spirit level, Compass, Flashlight

**Features:** macOS Compatibility

**In-app purchases:** none


### BaiOCR

[App page](https://appshunter.io/ios/app/baiocr-text-grabber-scanner/id1437865316)

This app uses advanced machine learning for accurate text recognition from images. It supports over 10 languages for OCR and offers translation capabilities for various needs. Easily copy, edit, and save extracted text, with features like background cleaning for improved accuracy.

**Highlights:** Machine learning for accurate OCR, 360° text recognition in 10+ languages, Multi-language translation, Background cleaning for accuracy, One-click copy, paste, and edit, Automatic text saving, Batch recognition of up to 50 images

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

**In-app purchases:** none


## Frequently asked questions

### Is 测量工具Pro free?

测量工具Pro costs $0.99, with no in-app purchases.

### Is BaiOCR free?

BaiOCR costs $1.99, with no in-app purchases.

### Which has better reviews, 测量工具Pro or BaiOCR?

测量工具Pro and BaiOCR are both rated 5.0 out of 5 on the App Store, from 2 and 62 ratings respectively.

### Do 测量工具Pro or BaiOCR have ads?

Neither 测量工具Pro nor BaiOCR shows ads.

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

测量工具Pro ships an update every 3 months, and BaiOCR every 3 weeks. Most recently, 测量工具Pro was updated on September 23, 2026 and BaiOCR on September 24, 2026.

---

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