# AngleDuo vs Angle Gauge

The clearest difference is in-app purchases: Angle Gauge at none against AngleDuo's 1. AngleDuo's advantage is iOS requirement (17.0 vs 27.0). On price, ads and device support there is nothing between them.

Both are free to download. AngleDuo sells 1 one-off in-app purchase. Angle Gauge asks for nothing beyond the download.

## The numbers

| Metric | AngleDuo | Angle Gauge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 4 MB | 1 MB |
| Requires iOS | **17.0** | 27.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Julian Zefferer](https://appshunter.io/developer/1894212252) | [Jared Kaeb](https://appshunter.io/developer/1770504393) |

## What reviewers say

### AngleDuo

[App page](https://appshunter.io/ios/app/angleduo-protractor/id6813894841)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AngleDuo Pro | $3.99 | one-time |


### Angle Gauge

[App page](https://appshunter.io/ios/app/angle-gauge/id6822375243)

**In-app purchases:** none


## Frequently asked questions

### Is AngleDuo free?

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

### Is Angle Gauge free?

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

### Do AngleDuo or Angle Gauge have ads?

Neither AngleDuo nor Angle Gauge shows ads.

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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.*