# Engineering Formulas vs Engineering Mathematics Pro

The clearest difference is price: Engineering Formulas at Free against Engineering Mathematics Pro's $0.49. Engineering Mathematics Pro's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.1). On ads and device support there is nothing between them.

Engineering Formulas is free to download; Engineering Mathematics Pro costs $0.49 up front. Engineering Formulas sells 3 in-app purchases, starting at $4.99 per 7 days. Engineering Mathematics Pro asks for nothing beyond the download.

## The numbers

| Metric | Engineering Formulas | Engineering Mathematics Pro |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 45 MB | 23 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Mobin Akhter](https://appshunter.io/developer/1812505286) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Engineering Formulas

[App page](https://appshunter.io/ios/app/engineering-formulas-engiref/id6758258119)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $29.99 | per year |
| Lifetime Access | $54.99 | one-time |


### 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 Engineering Formulas free?

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

### Is Engineering Mathematics Pro free?

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

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

Neither Engineering Formulas 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.*