# Keweenaw Petroleum vs Protractor Angle Measure App

The clearest difference is in-app purchases: Keweenaw Petroleum at none against Protractor Angle Measure App's 3. Keweenaw Petroleum also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Keweenaw Petroleum asks for nothing beyond the download.

Keweenaw Petroleum ships an update every 7 months, Protractor Angle Measure App every 4 months. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Keweenaw Petroleum | Protractor Angle Measure App |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 57 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) | [Ebenezer Oteng](https://appshunter.io/developer/1840002550) |

## What reviewers say

### Keweenaw Petroleum

[App page](https://appshunter.io/ios/app/keweenaw-petroleum/id6474796443)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Keweenaw Petroleum free?

Keweenaw Petroleum is free to download, with no in-app purchases.

### Is Protractor Angle Measure App free?

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

### Do Keweenaw Petroleum or Protractor Angle Measure App have ads?

Protractor Angle Measure App shows ads; Keweenaw Petroleum does not.

### Which is updated more often, Keweenaw Petroleum or Protractor Angle Measure App?

Keweenaw Petroleum ships an update every 7 months, and Protractor Angle Measure App every 4 months. Most recently, Keweenaw Petroleum was updated on September 17, 2026 and Protractor Angle Measure App on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*