$0.99

Details

  • Released
  • Updated
  • December 9, 2014
  • March 26, 2026
Angle & Ratio screenshot #1 for iPhone
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About

Measure angles and ratios directly from images. Adjust segments on your photos to analyze proportions and inclinations, then save your results as JPEGs.

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
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What's New in Angle & Ratio

4.1.2

March 26, 2026

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

User reviews

開けない

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。

いいね

シンプルでとても使いやすい。

Developer apps

FAQ

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.