# Protractor vs Angle Finder

The clearest difference is in-app purchases: Angle Finder at none against Protractor's 3. Angle Finder also leads on update cadence (fortnightly vs every 6 weeks). Protractor's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

Protractor ships an update every 6 weeks, Angle Finder fortnightly. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Protractor | Angle Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/angle-finder-protractor/id6787664104/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 5 MB | 39 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [侃 黄](https://appshunter.io/developer/6772257248) |

## What reviewers say

### Protractor

[App page](https://appshunter.io/ios/app/protractor-angle-finder/id6772273661)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Incline Gauge Weekly | $4.99 | per 7 days |
| Roof Pitch Yearly | $24.99 | per year |
| Bevel & Degree, Pay Once | $49.99 | one-time |


### Angle Finder

[App page](https://appshunter.io/ios/app/angle-finder-protractor/id6787664104)

Measure angles directly on your device using your camera or photos. This tool offers a digital protractor and the ability to place points on images to calculate angles. Results can be saved or shared as PNG screenshots.

**Highlights:** Measure angles with three draggable points, Digital screen protractor, Measure angles over photos, Camera preview for real-world measurements, Save and share PNG screenshots, Local-first workflow

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

**In-app purchases:** none


## Frequently asked questions

### Is Protractor free?

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

### Is Angle Finder free?

Angle Finder is free to download, with no in-app purchases.

### Do Protractor or Angle Finder have ads?

Angle Finder shows ads; Protractor does not.

### Which is updated more often, Protractor or Angle Finder?

Protractor ships an update every 6 weeks, and Angle Finder fortnightly. Most recently, Protractor was updated on September 24, 2026 and Angle Finder on September 22, 2026.

---

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