# Protractor Angle Measure Tool vs ROAD SYSTEM

The clearest difference is in-app purchases: ROAD SYSTEM at none against Protractor Angle Measure Tool's 3. ROAD SYSTEM also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Protractor Angle Measure Tool sells 3 in-app purchases, starting at $4.99 per 7 days. ROAD SYSTEM asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Protractor Angle Measure Tool | ROAD SYSTEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (169 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087/reviews)** | — |
| Number of ratings | **169** | — |
| Positive reviews | 13.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 35 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appcellent](https://appshunter.io/developer/1870956141) | [Social Tech Projects ApS](https://appshunter.io/developer/1526145712) |

## 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 (3)**

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


### ROAD SYSTEM

[App page](https://appshunter.io/ios/app/road-system/id6751549687)

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

**In-app purchases:** none


## Frequently asked questions

### Is Protractor Angle Measure Tool free?

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

### Is ROAD SYSTEM free?

ROAD SYSTEM is free to download, with no in-app purchases.

### Do Protractor Angle Measure Tool or ROAD SYSTEM have ads?

Neither Protractor Angle Measure Tool nor ROAD SYSTEM shows ads.

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

Protractor Angle Measure Tool ships an update monthly, and ROAD SYSTEM monthly. Most recently, Protractor Angle Measure Tool was updated on September 24, 2026 and ROAD SYSTEM on September 16, 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.*