# Protractor Edge vs Protractor

The clearest difference is rating: Protractor Edge at 4.5 against Protractor's 1.8. Protractor Edge also leads on ratings volume (55 vs 6) and iOS requirement (9.0 vs 16.0). Protractor's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 43 months). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Protractor Edge sells 2 in-app purchases, starting at $1.99 per year and Protractor sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Protractor Edge holds the better App Store score, 4.5 against 1.8. That said, the two scores are not equally well evidenced: Protractor Edge has 55 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 70% of Protractor Edge's written reviews are positive against 64% of Protractor's.

Protractor Edge ships an update every 43 months, Protractor every 5 weeks. The most recent releases landed on September 24, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Protractor Edge | Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (55 ratings)](https://appshunter.io/ios/app/protractor-edge-clinometer/id1198499762/reviews)** | [1.8 (6 ratings)](https://appshunter.io/ios/app/protractor-measure-angles/id1601838509/reviews) |
| Number of ratings | **55** | 6 |
| Positive reviews | **69.6% of reviews** | 63.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 43 months | **Every 5 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 21 MB | 5 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [嵩 张](https://appshunter.io/developer/1091921941) | [Noadit, Inc.](https://appshunter.io/developer/1516754355) |

## What reviewers say

### Protractor Edge

[App page](https://appshunter.io/ios/app/protractor-edge-clinometer/id1198499762)

Measure angles directly on your device without taking photos or placing the angle on screen. This app offers a unique and efficient way to determine degrees, saving you time with its handy assistant functionality.

**Highlights:** Direct angle measurement on device, Intuitive line dragging interface, Measures angles in photos (Premium), Measures from camera view (Premium), Ad-free experience (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per year |
| Remove Ads | $0.99 | one-time |


### Protractor

[App page](https://appshunter.io/ios/app/protractor-measure-angles/id1601838509)

Measure angles precisely using your phone's screen, gyroscope, or camera. Offers smart presets, real-time feedback with high accuracy, and calibration features to adapt to various situations.

**Highlights:** 3-in-1 measurement modes, Smart angle presets with alerts, Hyper-responsive feedback (≤0.5° accuracy), Auto dynamic compensation calibration, Anti-shake technology for motion scenes, Screen lock for measurements

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $4.99 | per month |
| Bubble Tea | $0.99 | one-time |
| Sponsor | $4.99 | one-time |
| Coffee | $4.99 | one-time |
| Sponsor | $19.99 | one-time |
| Sponsor | $99.99 | one-time |


## Frequently asked questions

### Is Protractor Edge free?

Protractor Edge is free to download, with in-app purchases available.

### Is Protractor free?

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

### Which has better reviews, Protractor Edge or Protractor?

Protractor Edge is rated higher. Protractor Edge averages 4.5 out of 5 from 55 ratings, while Protractor averages 1.8 from 6 ratings.

### Do Protractor Edge or Protractor have ads?

Protractor Edge shows ads; Protractor does not.

### Which is updated more often, Protractor Edge or Protractor?

Protractor Edge ships an update every 43 months, and Protractor every 5 weeks. Most recently, Protractor Edge was updated on September 24, 2026 and Protractor on August 29, 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.*