# PM GOAT vs MRX Physics

The clearest difference is update cadence: PM GOAT at fortnightly against MRX Physics's every 26 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PM GOAT ships an update fortnightly, MRX Physics every 26 months. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PM GOAT | MRX Physics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 26 months |
| Size | 34 MB | 282 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nicholas Lindboe](https://appshunter.io/developer/1690934867) | [Mohamed Ahmed Radwan](https://appshunter.io/developer/1586606710) |

## What reviewers say

### PM GOAT

[App page](https://appshunter.io/ios/app/pm-goat-fun-project-education/id6502759776)

**In-app purchases:** none


### MRX Physics

[App page](https://appshunter.io/ios/app/mrx-physics/id6590618732)

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

**In-app purchases:** none


## Frequently asked questions

### Is PM GOAT free?

PM GOAT is free to download, with no in-app purchases.

### Is MRX Physics free?

MRX Physics is free to download, with no in-app purchases.

### Do PM GOAT or MRX Physics have ads?

Neither PM GOAT nor MRX Physics shows ads.

### Which is updated more often, PM GOAT or MRX Physics?

PM GOAT ships an update fortnightly, and MRX Physics every 26 months. Most recently, PM GOAT was updated on November 8, 2026 and MRX Physics on October 30, 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.*