# Petrodice Academy vs Engineering Mathematics Pro

The clearest difference is price: Petrodice Academy at Free against Engineering Mathematics Pro's $0.49. Engineering Mathematics Pro's advantage is iOS requirement (13.0 vs 17.5). On ads, in-app purchases and device support there is nothing between them.

Petrodice Academy is free to download; Engineering Mathematics Pro costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Petrodice Academy | Engineering Mathematics Pro |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Size | 132 MB | 23 MB |
| Requires iOS | 17.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Manjeet Mehta](https://appshunter.io/developer/1188974617) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Petrodice Academy

[App page](https://appshunter.io/ios/app/petrodice-academy/id6451109346)

**Features:** macOS Compatibility

**In-app purchases:** none


### Engineering Mathematics Pro

[App page](https://appshunter.io/ios/app/engineering-mathematics-pro/id6759188492)

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

**In-app purchases:** none


## Frequently asked questions

### Is Petrodice Academy free?

Petrodice Academy is free to download, with no in-app purchases.

### Is Engineering Mathematics Pro free?

Engineering Mathematics Pro costs $0.49, with no in-app purchases.

### Do Petrodice Academy or Engineering Mathematics Pro have ads?

Neither Petrodice Academy nor Engineering Mathematics Pro 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.*