Angle & Ratio vs Ratio Calculation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Angle & Ratio
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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"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).
Ratio Calculation
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You can calculate various ratios with this one application. You can calculate the ratio, calculate the golden ratio, calculate the silver ratio. In addition, it can be reused remembers a set of ratio.
Screenshots
Verdict
The clearest difference is price: Ratio Calculation at Free against Angle & Ratio's $0.99. Angle & Ratio's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Ratio Calculation is free to download; Angle & Ratio costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Angle & Ratio ships an update every 6 months, Ratio Calculation every 5 months. The most recent releases landed on September 22, 2026 and May 16, 2026 respectively.
| Parameter | Angle & Ratio | Ratio Calculation |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Medic Engineering K.K. | Tomohiko Akamine |
In-app purchases
Angle & Ratio
No in-app purchases
Ratio Calculation
No in-app purchases
Questions
Is Angle & Ratio free?
Is Ratio Calculation free?
Do Angle & Ratio or Ratio Calculation have ads?
Which is updated more often, Angle & Ratio or Ratio Calculation?
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