# Slope Calculator vs Arch Radius

The clearest difference is review sentiment: Slope Calculator at 58% against Arch Radius's 0%. Slope Calculator also leads on price (Free vs $0.99) and rating (4.3 vs 1.0). Arch Radius's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Slope Calculator is free to download; Arch Radius costs $0.99 up front. Slope Calculator sells 1 one-off in-app purchase. Arch Radius asks for nothing beyond the download.

Slope Calculator holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Slope Calculator has 104 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 58% of Slope Calculator's written reviews are positive against 0% of Arch Radius's.

## The numbers

| Metric | Slope Calculator | Arch Radius |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.3 (104 ratings)](https://appshunter.io/ios/app/slope-calculator-calc/id1561129699/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/arch-radius/id6449305148/reviews) |
| Number of ratings | **104** | 1 |
| Positive reviews | **58.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 26 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [Guido Lemmens](https://appshunter.io/developer/493248169) |

## What reviewers say

### Slope Calculator

[App page](https://appshunter.io/ios/app/slope-calculator-calc/id1561129699)

Calculate slope in angle, percentage, or ratio by inputting two sides of a right triangle. This intuitive and easy-to-use application provides the remaining necessary values.

**Highlights:** Calculate slope as angle, Calculate slope as percentage, Calculate slope as ratio, Input two sides of a right triangle, Calculate remaining triangle values, Intuitive and easy to use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### Arch Radius

[App page](https://appshunter.io/ios/app/arch-radius/id6449305148)

Calculate the radius of an arch by inputting its width and height. This utility app saves your data for future reference, making it a handy tool for construction professionals.

**Highlights:** Calculate arch radius, Input width (chord) and height, Save data for later use, Designed for quick calculations

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

**In-app purchases:** none


## Frequently asked questions

### Is Slope Calculator free?

Slope Calculator is free to download, with in-app purchases available.

### Is Arch Radius free?

Arch Radius costs $0.99, with no in-app purchases.

### Which has better reviews, Slope Calculator or Arch Radius?

Slope Calculator is rated higher. Slope Calculator averages 4.3 out of 5 from 104 ratings, while Arch Radius averages 1.0 from 1 ratings.

### Do Slope Calculator or Arch Radius have ads?

Neither Slope Calculator nor Arch Radius shows ads.

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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.*