# Engineering Mathematics Pro vs StampReady

The clearest difference is price: StampReady at Free against Engineering Mathematics Pro's $0.49. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

StampReady 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 | Engineering Mathematics Pro | StampReady |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 23 MB | 19 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Manish Kumar](https://appshunter.io/developer/1854995154) | [Devin Davidson](https://appshunter.io/developer/1891155394) |

## What reviewers say

### Engineering Mathematics Pro

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

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

**In-app purchases:** none


### StampReady

[App page](https://appshunter.io/ios/app/stampready-pe-and-fe-exam-prep/id6761733348)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Mathematics Pro free?

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

### Is StampReady free?

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

### Do Engineering Mathematics Pro or StampReady have ads?

Neither Engineering Mathematics Pro nor StampReady 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.*