# Angle Meter vs Slope Calculator

The clearest difference is rating: Slope Calculator at 4.3 against Angle Meter's 3.4. Slope Calculator also leads on ads (none vs shown) and review sentiment (58% vs 32%). Angle Meter's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 14 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. Slope Calculator sells 1 one-off in-app purchase. Angle Meter asks for nothing beyond the download.

Slope Calculator holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 64 and 104 respectively. Written reviews point the same way: 32% of Angle Meter's written reviews are positive against 58% of Slope Calculator's.

Angle Meter ships an update every 4 months, Slope Calculator every 14 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Angle Meter | Slope Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (64 ratings)](https://appshunter.io/ios/app/angle-meter/id422843391/reviews) | **[4.3 (104 ratings)](https://appshunter.io/ios/app/slope-calculator-calc/id1561129699/reviews)** |
| Number of ratings | 64 | **104** |
| Positive reviews | 31.6% of reviews | **58.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 5 MB | 5 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [nakhon phagdeechat](https://appshunter.io/developer/386312256) | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) |

## What reviewers say

### Angle Meter

[App page](https://appshunter.io/ios/app/angle-meter/id422843391)

Measure angles and slopes with your phone's camera. Offers real-time angle display, two measurement modes, and the ability to capture and store measurements.

**Highlights:** Real-time angle display, Two measurement modes, Camera-based angle measurement, Measure angles from images, Level meter functionality, Calibration for accuracy

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Angle Meter free?

Angle Meter is free to download, with no in-app purchases.

### Is Slope Calculator free?

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

### Which has better reviews, Angle Meter or Slope Calculator?

Slope Calculator is rated higher. Angle Meter averages 3.4 out of 5 from 64 ratings, while Slope Calculator averages 4.3 from 104 ratings.

### Do Angle Meter or Slope Calculator have ads?

Angle Meter shows ads; Slope Calculator does not.

### Which is updated more often, Angle Meter or Slope Calculator?

Angle Meter ships an update every 4 months, and Slope Calculator every 14 months. Most recently, Angle Meter was updated on October 15, 2026 and Slope 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.*