# Engineer Pro Toolkit vs Process Engineer Calc

The clearest difference is in-app purchases: Process Engineer Calc at none against Engineer Pro Toolkit's 1. Engineer Pro Toolkit's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | Engineer Pro Toolkit | Process Engineer Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 74 MB | 11 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [冯泰 蔡](https://appshunter.io/developer/1896641064) |

## What reviewers say

### 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 |


### Process Engineer Calc

[App page](https://appshunter.io/ios/app/process-engineer-calc-lms/id6774295442)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineer Pro Toolkit free?

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

### Is Process Engineer Calc free?

Process Engineer Calc is free to download, with no in-app purchases.

### Do Engineer Pro Toolkit or Process Engineer Calc have ads?

Neither Engineer Pro Toolkit nor Process Engineer Calc 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.*