# Protractor Angle Measure Tool vs CamberPro

Protractor Angle Measure Tool and CamberPro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Protractor Angle Measure Tool sells 4 in-app purchases, starting at $4.99 per 7 days and CamberPro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Protractor Angle Measure Tool ships an update monthly, CamberPro every 4 weeks. The most recent releases landed on November 4, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Protractor Angle Measure Tool | CamberPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (179 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087/reviews)** | — |
| Number of ratings | **179** | — |
| Positive reviews | 11.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 29 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Appcellent](https://appshunter.io/developer/1870956141) | [SEONYONG LEE](https://appshunter.io/developer/6775892940) |

## What reviewers say

### Protractor Angle Measure Tool

[App page](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087)

This tool transforms your device into a precise angle measurement instrument. It's ideal for DIY projects, construction, and renovations, offering real-time readings in various formats. Get professional-grade accuracy for all your angled surface needs.

**Highlights:** Precise angle measurement, Vertical and horizontal orientations, Multiple measurement units (degrees, radians, gradians), Target angle alerts with audio/vibration, Real-time precision readings, Apple Watch support with haptic feedback

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protractor Weekly | $4.99 | per 7 days |
| Protractor Weekly with Trial | $6.99 | per 7 days |
| Protractor Weekly with Trial | $8.99 | per 7 days |
| Protractor Annual | $39.99 | per year |


### CamberPro

[App page](https://appshunter.io/ios/app/camberpro-camber-gauge/id6792477338)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CamberPro Pro | $6.99 | one-time |


## Frequently asked questions

### Is Protractor Angle Measure Tool free?

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

### Is CamberPro free?

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

### Do Protractor Angle Measure Tool or CamberPro have ads?

Neither Protractor Angle Measure Tool nor CamberPro shows ads.

### Which is updated more often, Protractor Angle Measure Tool or CamberPro?

Protractor Angle Measure Tool ships an update monthly, and CamberPro every 4 weeks. Most recently, Protractor Angle Measure Tool was updated on November 4, 2026 and CamberPro on October 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.*