# Protractor Angle Measure App vs Calculator Toolkit

The clearest difference is in-app purchases: Calculator Toolkit at none against Protractor Angle Measure App's 3. Calculator Toolkit also leads on ads (none vs shown). Protractor Angle Measure App's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Protractor Angle Measure App sells 3 in-app purchases, starting at $3.99 per month. Calculator Toolkit asks for nothing beyond the download.

Protractor Angle Measure App ships an update every 4 months, Calculator Toolkit every 3 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Protractor Angle Measure App | Calculator Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (4 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-app/id6755661639/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ebenezer Oteng](https://appshunter.io/developer/1840002550) | [Urmin Hirpara](https://appshunter.io/developer/1890506463) |

## What reviewers say

### Protractor Angle Measure App

[App page](https://appshunter.io/ios/app/protractor-angle-measure-app/id6755661639)

This tool allows for instant and accurate angle measurements using a digital protractor, camera overlay, and ruler. It supports 180° and 360° measurements, ideal for students, engineers, builders, and DIYers for various projects.

**Highlights:** Accurate digital protractor, 180° & 360° measurement, Camera overlay for real-time angles, Ruler mode for line measurement, Angle lock and precision control, Simple, distraction-free interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $39.99 | per year |
| Lifetime access | $9.99 | one-time |


### Calculator Toolkit

[App page](https://appshunter.io/ios/app/calculator-toolkit/id6762042272)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Protractor Angle Measure App free?

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

### Is Calculator Toolkit free?

Calculator Toolkit is free to download, with no in-app purchases.

### Do Protractor Angle Measure App or Calculator Toolkit have ads?

Protractor Angle Measure App shows ads; Calculator Toolkit does not.

### Which is updated more often, Protractor Angle Measure App or Calculator Toolkit?

Protractor Angle Measure App ships an update every 4 months, and Calculator Toolkit every 3 months. Most recently, Protractor Angle Measure App was updated on October 13, 2026 and Calculator Toolkit on October 14, 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.*