# 尺子测量 vs Photo Protractor AngleWise

The clearest difference is iOS requirement: 尺子测量 at 12.0 against Photo Protractor AngleWise's 16.0. On price and in-app purchases there is nothing between them.

Both are free to download. 尺子测量 sells 3 in-app purchases, starting at $2.99 per month and Photo Protractor AngleWise sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 尺子测量 | Photo Protractor AngleWise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/photo-protractor-anglewise/id6760904927/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 11 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Amritaayur Health Management Service Co.,Ltd.](https://appshunter.io/developer/1689205204) | [佳辰 汪](https://appshunter.io/developer/1872459075) |

## What reviewers say

### 尺子测量

[App page](https://appshunter.io/ios/app/id6526468871)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $2.99 | per month |
| 年会员 | $9.99 | per year |
| 永久会员 | $14.99 | one-time |


### Photo Protractor AngleWise

[App page](https://appshunter.io/ios/app/photo-protractor-anglewise/id6760904927)

Measure angles directly from your photos. Import or capture an image, then use draggable lines to identify angles and their supplementary values. Save your work with notes and export annotated images for field use or visual checks.

**Highlights:** Measure angles from photos, Import or capture images, Draggable reference lines, Display smaller and supplementary angles, Add notes to images, Export annotated images

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | 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 Photo Protractor AngleWise free?

Photo Protractor AngleWise is free to download, with in-app purchases available.

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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.*