# Angle & Ratio

> Image-based tool for measuring angles and ratios using adjustable segments. (iPhone/iPad app by Medic Engineering K.K..)

- Source: https://appshunter.io/ios/app/angle-and-ratio/id928803288 (this page in markdown: same URL + `.md`)
- Developer: [Medic Engineering K.K.](https://appshunter.io/developer/917118875)
- Category: Productivity, Utilities
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 2 MB
- Languages: Japanese, American English
- Released: 2014-12-09
- Data updated: 2026-08-25
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/angle-and-ratio/id928803288/reviews.md

## What is Angle & Ratio?

"Angle & Ratio" is a useful tool that you can measure the angle or ratio using a picture.
You can create segments by moving the marks freely, so you can get the angle of arms or legs, or inclination of body. 
These segments are used to measure of ratio. 
Of course, you can save the result as a JPEG format.

【Usage】
1. Prepare a picture
If you select a picture from gallery, you can adjust the size and position of the picture. Or when you take a picture, you will shoot the target in center of the view.

2. Measure of the angle
Please move the marks at the position which you want to measure (the marks [1], [2], [3], [4] are in order from the top). 
The angle between two segments [1]-[2] and [3]-[4] is displayed on the top of screen.

3. Measure of the ratio
Please move the marks at the position which you want to measure (the marks [1], [2], [3], [4] are in order from the top). 
The ratio of [1]-[2] to [2]-[3] and [3]-[4] is displayed under the angle ([1]-[2] is always 100).

## Key features

- Measure angles from images
- Measure ratios from images
- Adjustable segments for precise measurement
- Save results as JPEG
- Use photos from gallery or take new ones

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/angle-and-ratio/id928803288/reviews.md

### 1/5 — 開けない

*2020-11-05*

iPhone12使用。

アプリ購入後から時間やタイミングを変えながら繰り返し試すが一度も開けず。

残念です。

### 5/5 — いいね

*2020-03-16*

シンプルでとても使いやすい。

## Frequently asked questions about Angle & Ratio

### What is Angle & Ratio used for?

Angle & Ratio is a tool that allows you to measure angles and ratios directly from pictures. You can create segments by moving marks on an image to analyze proportions or inclinations, and then save the results as JPEGs.

### How do I measure an angle with Angle & Ratio?

To measure an angle, prepare a picture and move the marks (labeled [1] through [4]) to the desired positions. The angle between two segments, such as [1]-[2] and [3]-[4], will be displayed at the top of the screen.

### How do I measure a ratio with Angle & Ratio?

To measure a ratio, move the marks on your picture to the positions you want to analyze. The ratio of segment [1]-[2] to segments [2]-[3] and [3]-[4] will be displayed below the angle measurement, with [1]-[2] always set to 100.

### Can I use my own photos with Angle & Ratio?

Yes, you can select a picture from your gallery or take a new one directly within the app. If you select from the gallery, you can adjust the size and position of the picture.

### What devices does Angle & Ratio support?

Angle & Ratio is available for iPhone, iPad, and iPod devices.

### How much does Angle & Ratio cost?

Angle & Ratio is a paid application, priced at $0.99.

### Is Angle & Ratio suitable for children?

Angle & Ratio has an age rating of 4+, making it suitable for younger users to explore basic measurement concepts.

### How often is Angle & Ratio updated?

The latest version of Angle & Ratio is 4.1.2, and it was last updated on March 26, 2026. This indicates a history of updates, though the specific frequency is not detailed.

## Version history (last 5 releases)

### 4.1.2 — 2026-03-26

- Optimized for iOS26.4 and iPadOS 26.4.
- Fixed a minor bug.

### 4.1.1 — 2026-03-24

- Optimized for iOS26.3 and iPadOS 26.3.

### 3.3.5 — 2025-11-18

- Optimized for iOS26.1.

### 3.3.4 — 2025-03-28

- Optimized for iOS18.3.

### 3.3.3 — 2024-11-13

- Optimized for iOS18.1.
- Fixed a minor bug.

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## More apps by Medic Engineering K.K.

- [PostureCHECKER - S](https://appshunter.io/ios/app/posturechecker-s/id917118876)
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- [PostureCHEKCKER - plus](https://appshunter.io/ios/app/posturechekcker-plus/id984388779)

All apps by Medic Engineering K.K.: https://appshunter.io/developer/917118875

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*