# Gamma Pro vs Euler Gamma

The clearest difference is price: Euler Gamma at Free against Gamma Pro's $1.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Euler Gamma is free to download; Gamma Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Gamma Pro | Euler Gamma |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 3 MB | 14 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mateus Rodrigues](https://appshunter.io/developer/6771815619) | [音 卢](https://appshunter.io/developer/1895433682) |

## What reviewers say

### Gamma Pro

[App page](https://appshunter.io/ios/app/gamma-pro-ndt-radiography/id6771815436)

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

**In-app purchases:** none


### Euler Gamma

[App page](https://appshunter.io/ios/app/euler-gamma-ndt-calculator/id6772123721)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gamma Pro free?

Gamma Pro costs $1.99, with no in-app purchases.

### Is Euler Gamma free?

Euler Gamma is free to download, with no in-app purchases.

### Do Gamma Pro or Euler Gamma have ads?

Neither Gamma Pro nor Euler Gamma 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.*