# Measure Angles vs Slope Calculator

The clearest difference is ads: Slope Calculator at none against Measure Angles's shown. Slope Calculator also leads on review sentiment (58% vs 47%) and iOS requirement (13.0 vs 16.6). Measure Angles's advantage is update cadence (fortnightly vs every 14 months) and ratings volume (2K vs 104). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Measure Angles sells 10 in-app purchases, starting at $2.99 per 7 days and Slope Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.2 for Measure Angles against 4.3 for Slope Calculator. That said, the two scores are not equally well evidenced: Measure Angles has 2K ratings behind it against 104, so its average is the more settled of the two. Written reviews are what separate them: 47% of Measure Angles's written reviews are positive against 58% of Slope Calculator's.

Measure Angles ships an update fortnightly, Slope Calculator every 14 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Measure Angles | Slope Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (2K ratings)](https://appshunter.io/ios/app/measure-angles-bubble-level/id458980311/reviews) | **[4.3 (104 ratings)](https://appshunter.io/ios/app/slope-calculator-calc/id1561129699/reviews)** |
| Number of ratings | **2K** | 104 |
| Positive reviews | 47.0% of reviews | **58.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 14 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 5 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WHATSTICKER APPS SRL](https://appshunter.io/developer/1784779333) | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) |

## What reviewers say

### Measure Angles

[App page](https://appshunter.io/ios/app/measure-angles-bubble-level/id458980311)

This app transforms your device into a versatile measuring tool. It offers precise angle readings with a digital protractor and bubble level, along with AR-powered distance and volume measurements. Ideal for professionals, DIY enthusiasts, and everyday tasks requiring accuracy.

**Highlights:** Digital protractor for angle measurement, Bubble level for surface flatness, AR-powered distance and volume estimation, Integrated ruler and tape measure, Compass and altimeter, Timer and audio meter

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Premium | $2.99 | per 7 days |
| Weekly premium | $4.99 | per 7 days |
| Weekly premium trial | $4.99 | per 7 days |
| Yearly premium trial | $29.99 | per year |
| Yearly premium | $29.99 | per year |
| Unlock all tools | $1.99 | one-time |
| No ads | $2.99 | one-time |
| Premium Discount | $2.99 | one-time |
| Premium Edition | $3.99 | one-time |

**What reviewers like**

- 🚀 Accurate
- 👍 Easy to use
- 👍 Versatile
- 👍 Useful tool
- 👍 Well-designed

**What reviewers complain about**

- 🐛 Connectivity issues
- 💰 Requires payment
- 🔍 Difficult to exit/close
- 📺 Intrusive ads
- 🔒 Tracking concerns

**Reported bugs**

- Angle appears reversed or flipped
- Angle locks too quickly
- App crashes on launch
- Measurements are inaccurate

**Requested features**

- Panoramic measurement tool
- Surround audio setup feature
- Ability to reset protractor to 0 degrees
- Black/white display for better readability
- Support for iPad split-screen


### 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 Measure Angles free?

Measure Angles is free to download, with in-app purchases available.

### Is Slope Calculator free?

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

### Which has better reviews, Measure Angles or Slope Calculator?

Slope Calculator is rated higher. Measure Angles averages 4.2 out of 5 from 2K ratings, while Slope Calculator averages 4.3 from 104 ratings.

### Do Measure Angles or Slope Calculator have ads?

Measure Angles shows ads; Slope Calculator does not.

### Which is updated more often, Measure Angles or Slope Calculator?

Measure Angles ships an update fortnightly, and Slope Calculator every 14 months. Most recently, Measure Angles was updated on October 26, 2026 and Slope Calculator on October 23, 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.*