# GeoMaster vs Protractor Angle Meter

The clearest difference is update cadence: Protractor Angle Meter at fortnightly against GeoMaster's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GeoMaster sells 3 in-app purchases, starting at $4.99 per month and Protractor Angle Meter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

GeoMaster ships an update every 4 months, Protractor Angle Meter fortnightly. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | GeoMaster | Protractor Angle Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protractor-angle-meter/id6778436306/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 56 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xiang he Chen](https://appshunter.io/developer/1854420172) | [Romiick LLC](https://appshunter.io/developer/1716146475) |

## What reviewers say

### GeoMaster

[App page](https://appshunter.io/ios/app/geomaster/id6755857697)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度訂閱 | $4.99 | per month |
| 年度訂閱 | $49.99 | per year |
| 永久買斷 | $99.99 | one-time |


### Protractor Angle Meter

[App page](https://appshunter.io/ios/app/protractor-angle-meter/id6778436306)

This app allows you to measure angles from photos using your device's camera or existing images. Add multiple measurements with customizable colors and labels, and view results in various units. Save your work automatically and export high-quality images of your measurements.

**Highlights:** Measure angles from photos, Live camera or photo library input, Multiple angle measurements per photo, Customizable color and labels, Degrees, radians, or slope percentage output, Precision Loupe for accuracy, Automatic saving

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $9.99 | one-time |


## Frequently asked questions

### Is GeoMaster free?

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

### Is Protractor Angle Meter free?

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

### Do GeoMaster or Protractor Angle Meter have ads?

Neither GeoMaster nor Protractor Angle Meter shows ads.

### Which is updated more often, GeoMaster or Protractor Angle Meter?

GeoMaster ships an update every 4 months, and Protractor Angle Meter fortnightly. Most recently, GeoMaster was updated on October 8, 2026 and Protractor Angle Meter on October 6, 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.*