# Protractor Angle Measure App vs Device Kit

The clearest difference is review sentiment: Device Kit at 77% against Protractor Angle Measure App's 33%. Device Kit also leads on rating (4.9 vs 2.3) and ads (none vs shown). Protractor Angle Measure App's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Protractor Angle Measure App sells 3 in-app purchases, starting at $3.99 per month and Device Kit sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Device Kit holds the better App Store score, 4.9 against 2.3. That said, the two scores are not equally well evidenced: Device Kit has 89 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 33% of Protractor Angle Measure App's written reviews are positive against 77% of Device Kit's.

Protractor Angle Measure App ships an update every 4 months, Device Kit every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Protractor Angle Measure App | Device Kit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-app/id6755661639/reviews) | **[4.9 (89 ratings)](https://appshunter.io/ios/app/device-kit-phone-temperature/id6761011882/reviews)** |
| Number of ratings | 4 | **89** |
| Positive reviews | 33.3% of reviews | **77.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 57 MB | 36 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ebenezer Oteng](https://appshunter.io/developer/1840002550) | [Shuyang Fan Ziyang Software Development Studio (Individually Owned Business)](https://appshunter.io/developer/1879334973) |

## What reviewers say

### Protractor Angle Measure App

[App page](https://appshunter.io/ios/app/protractor-angle-measure-app/id6755661639)

This tool allows for instant and accurate angle measurements using a digital protractor, camera overlay, and ruler. It supports 180° and 360° measurements, ideal for students, engineers, builders, and DIYers for various projects.

**Highlights:** Accurate digital protractor, 180° & 360° measurement, Camera overlay for real-time angles, Ruler mode for line measurement, Angle lock and precision control, Simple, distraction-free interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $39.99 | per year |
| Lifetime access | $9.99 | one-time |


### Device Kit

[App page](https://appshunter.io/ios/app/device-kit-phone-temperature/id6761011882)

Monitor your device's hardware performance in real-time with detailed CPU, memory, and battery usage. Access a suite of practical tools including weather, network diagnostics, and sensors. Visualize historical data with customizable charts and home screen widgets.

**Highlights:** Real-time CPU, memory, and battery monitoring, Visual data charts for performance trends, Picture-in-Picture mode for continuous monitoring, Customizable home screen widgets, Pro Toolbox with system, environment, and network tools, Sensor data including compass and barometer

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Yearly subscription | $7.99 | per year |
| Lifetime Membership | $12.99 | one-time |
| Lifetime Membership | $14.99 | one-time |


## Frequently asked questions

### Is Protractor Angle Measure App free?

Protractor Angle Measure App is free to download, with in-app purchases available.

### Is Device Kit free?

Device Kit is free to download, with in-app purchases available.

### Which has better reviews, Protractor Angle Measure App or Device Kit?

Device Kit is rated higher. Protractor Angle Measure App averages 2.3 out of 5 from 4 ratings, while Device Kit averages 4.9 from 89 ratings.

### Do Protractor Angle Measure App or Device Kit have ads?

Protractor Angle Measure App shows ads; Device Kit does not.

### Which is updated more often, Protractor Angle Measure App or Device Kit?

Protractor Angle Measure App ships an update every 4 months, and Device Kit every 10 days. Most recently, Protractor Angle Measure App was updated on October 24, 2026 and Device Kit on October 25, 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.*