# Angle & Ratio vs sci.calculator

The clearest difference is price: sci.calculator at Free against Angle & Ratio's $0.99. sci.calculator also leads on update cadence (every 5 weeks vs every 6 months). Angle & Ratio's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

sci.calculator is free to download; Angle & Ratio costs $0.99 up front. sci.calculator sells 1 one-off in-app purchase. Angle & Ratio asks for nothing beyond the download.

Angle & Ratio ships an update every 6 months, sci.calculator every 5 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | Angle & Ratio | sci.calculator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/angle-and-ratio/id928803288/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 49 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Medic Engineering K.K.](https://appshunter.io/developer/917118875) | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) |

## What reviewers say

### Angle & Ratio

[App page](https://appshunter.io/ios/app/angle-and-ratio/id928803288)

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

**Highlights:** 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

**In-app purchases:** none


### sci.calculator

[App page](https://appshunter.io/ios/app/scicalculator/id1620728508)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Angle & Ratio free?

Angle & Ratio costs $0.99, with no in-app purchases.

### Is sci.calculator free?

sci.calculator is free to download, with in-app purchases available.

### Do Angle & Ratio or sci.calculator have ads?

Neither Angle & Ratio nor sci.calculator shows ads.

### Which is updated more often, Angle & Ratio or sci.calculator?

Angle & Ratio ships an update every 6 months, and sci.calculator every 5 weeks. Most recently, Angle & Ratio was updated on October 16, 2026 and sci.calculator on October 16, 2026.

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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.*