# ABD Calculator vs Engineer Pro Toolkit

The clearest difference is in-app purchases: ABD Calculator at none against Engineer Pro Toolkit's 1. Engineer Pro Toolkit's advantage is iOS requirement (13.0 vs 17.1). On price, ads and device support there is nothing between them.

Both are free to download. Engineer Pro Toolkit sells 1 one-off in-app purchase. ABD Calculator asks for nothing beyond the download.

## The numbers

| Metric | ABD Calculator | Engineer Pro Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 2 MB | 74 MB |
| Requires iOS | 17.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Miller](https://appshunter.io/developer/1739007574) | [Shital Gorasiya](https://appshunter.io/developer/1737199158) |

## What reviewers say

### ABD Calculator

[App page](https://appshunter.io/ios/app/abd-calculator/id6480434613)

**Features:** macOS Compatibility

**In-app purchases:** none


### Engineer Pro Toolkit

[App page](https://appshunter.io/ios/app/engineer-pro-toolkit/id6759440419)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Purchase | $12.99 | one-time |


## Frequently asked questions

### Is ABD Calculator free?

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

### Is Engineer Pro Toolkit free?

Engineer Pro Toolkit is free to download, with in-app purchases available.

### Do ABD Calculator or Engineer Pro Toolkit have ads?

Neither ABD Calculator nor Engineer Pro Toolkit 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.*