# Engineer Pro Toolkit vs Pipe Flow Calculations

The clearest difference is in-app purchases: Pipe Flow Calculations at none against Engineer Pro Toolkit's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Engineer Pro Toolkit | Pipe Flow Calculations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 74 MB | 17 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [Application Services LLC](https://appshunter.io/developer/1896064953) |

## 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 |


### Pipe Flow Calculations

[App page](https://appshunter.io/ios/app/pipe-flow-calculations/id6765766469)

**Features:** macOS Compatibility

**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 Pipe Flow Calculations free?

Pipe Flow Calculations is free to download, with no in-app purchases.

### Do Engineer Pro Toolkit or Pipe Flow Calculations have ads?

Neither Engineer Pro Toolkit nor Pipe Flow Calculations 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.*