# Protractor Angle Measure Tool vs OK Securite

The clearest difference is update cadence: Protractor Angle Measure Tool at monthly against OK Securite's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Protractor Angle Measure Tool sells 4 in-app purchases, starting at $4.99 per 7 days and OK Securite sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

Protractor Angle Measure Tool ships an update monthly, OK Securite every 3 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Protractor Angle Measure Tool | OK Securite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (178 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087/reviews)** | — |
| Number of ratings | **178** | — |
| Positive reviews | 11.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 7 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) | [Claude Piche](https://appshunter.io/developer/1877797608) |

## 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 |


### OK Securite

[App page](https://appshunter.io/ios/app/ok-securite/id6761074373)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OK Sécurité Premium | $29.99 | per month |
| OK Sécurité Premium | $290.00 | per year |


## Frequently asked questions

### Is Protractor Angle Measure Tool free?

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

### Is OK Securite free?

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

### Do Protractor Angle Measure Tool or OK Securite have ads?

Neither Protractor Angle Measure Tool nor OK Securite shows ads.

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

Protractor Angle Measure Tool ships an update monthly, and OK Securite every 3 months. Most recently, Protractor Angle Measure Tool was updated on October 21, 2026 and OK Securite on October 12, 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.*