# Moody Chart Calculator vs Pipe Flow Calculations

The clearest difference is in-app purchases: Pipe Flow Calculations at none against Moody Chart Calculator's 1. Pipe Flow Calculations also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Moody Chart Calculator sells 1 in-app purchase, starting at $1.99 per month. Pipe Flow Calculations asks for nothing beyond the download.

## The numbers

| Metric | Moody Chart Calculator | Pipe Flow Calculations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/moody-chart-calculator/id1202447201/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 57 months | — |
| Monetization | Free | — |
| Size | 49 MB | 17 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ali Batayneh](https://appshunter.io/developer/1876400685) | [Application Services LLC](https://appshunter.io/developer/1896064953) |

## What reviewers say

### Moody Chart Calculator

[App page](https://appshunter.io/ios/app/moody-chart-calculator/id1202447201)

This utility app calculates a friction factor based on Reynolds Number and Relative Roughness. It provides a straightforward tool for engineering calculations.

**Highlights:** Friction factor calculation, Reynolds Number input, Relative Roughness input, Engineering utility

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |


### 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 Moody Chart Calculator free?

Moody Chart Calculator 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 Moody Chart Calculator or Pipe Flow Calculations have ads?

Neither Moody Chart Calculator 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.*