# Flow Rate Help vs VCF Pro

The clearest difference is price: Flow Rate Help at $0.99 against VCF Pro's $3.99. Flow Rate Help also leads on device support (4 vs 1) and iOS requirement (11.0 vs 18.6). On ads and in-app purchases there is nothing between them.

Flow Rate Help costs $0.99 and VCF Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Flow Rate Help | VCF Pro |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Rating | **[4.3 (44 ratings)](https://appshunter.io/ios/app/flow-rate-help/id1009898806/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Monetization | Paid | — |
| Size | 3 MB | 10 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [Ender ISIKLI](https://appshunter.io/developer/6789871599) |

## What reviewers say

### Flow Rate Help

[App page](https://appshunter.io/ios/app/flow-rate-help/id1009898806)

Calculate liquid flow rate, pipe diameter, or velocity with ease. Customize units for diameter, velocity, and flow rate, and set your preferred decimal places for precise results.

**Highlights:** Solve flow rate equations, Customizable diameter units, Customizable velocity units, Customizable flow rate units, Set decimal places

**Features:** Vision Pro support

**In-app purchases:** none


### VCF Pro

[App page](https://appshunter.io/ios/app/vcf-pro/id6789871597)

**In-app purchases:** none


## Frequently asked questions

### Is Flow Rate Help free?

Flow Rate Help costs $0.99, with no in-app purchases.

### Is VCF Pro free?

VCF Pro costs $3.99, with no in-app purchases.

### Do Flow Rate Help or VCF Pro have ads?

Neither Flow Rate Help nor VCF 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.*