# Protractor Edge vs Measure Toolbox

The clearest difference is in-app purchases: Measure Toolbox at none against Protractor Edge's 2. Measure Toolbox also leads on update cadence (every 8 months vs every 43 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Protractor Edge sells 2 in-app purchases, starting at $1.99 per year. Measure Toolbox asks for nothing beyond the download.

Protractor Edge ships an update every 43 months, Measure Toolbox every 8 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Protractor Edge | Measure Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (94 ratings)](https://appshunter.io/ios/app/protractor-edge-clinometer/id1198499762/reviews)** | — |
| Number of ratings | **94** | — |
| Positive reviews | 69.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 43 months | **Every 8 months** |
| Monetization | Freemium | — |
| Size | 21 MB | 72 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [嵩 张](https://appshunter.io/developer/1091921941) | [ShenZhen City XueQin Information Technology Inc.](https://appshunter.io/developer/1501019348) |

## 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 |


### Measure Toolbox

[App page](https://appshunter.io/ios/app/measure-toolbox-tape-rule/id1620148344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Protractor Edge free?

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

### Is Measure Toolbox free?

Measure Toolbox is free to download, with no in-app purchases.

### Do Protractor Edge or Measure Toolbox have ads?

Both Protractor Edge and Measure Toolbox show ads.

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

Protractor Edge ships an update every 43 months, and Measure Toolbox every 8 months. Most recently, Protractor Edge was updated on October 29, 2026 and Measure Toolbox on October 27, 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.*