# Pipe Flow Liquid Pipe Length vs Mechanical Engineering Toolkit

The clearest difference is rating: Mechanical Engineering Toolkit at 4.8 against Pipe Flow Liquid Pipe Length's 3.0. Mechanical Engineering Toolkit also leads on ratings volume (64 vs 1) and monetization model (ad-supported vs free with in-app purchases). Pipe Flow Liquid Pipe Length's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Pipe Flow Liquid Pipe Length sells 1 one-off in-app purchase and Mechanical Engineering Toolkit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mechanical Engineering Toolkit holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Mechanical Engineering Toolkit has 64 ratings behind it against 1, so its average is the more settled of the two.

Pipe Flow Liquid Pipe Length ships an update fortnightly, Mechanical Engineering Toolkit every 8 days. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Pipe Flow Liquid Pipe Length | Mechanical Engineering Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/pipe-flow-liquid-pipe-length/id1582968040/reviews) | **[4.8 (64 ratings)](https://appshunter.io/ios/app/mechanical-engineering-toolkit/id1601099443/reviews)** |
| Number of ratings | 1 | **64** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 66 MB | 38 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Pipe Flow Software](https://appshunter.io/developer/1193064957) | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) |

## What reviewers say

### Pipe Flow Liquid Pipe Length

[App page](https://appshunter.io/ios/app/pipe-flow-liquid-pipe-length/id1582968040)

This utility app calculates the maximum pipe length for a given pressure loss, flow rate, and pipe diameter. It offers comprehensive results, customizable databases for materials and fluids, and supports both Imperial and Metric units. Engineers can generate professional reports and save results for later use.

**Highlights:** Maximum pipe length calculation, Friction loss and fitting loss calculation, Integrated databases for liquids, pipes, and fittings, User-definable custom data, Imperial and Metric unit support, Professional Excel and PDF reports, Results verification against published data

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Flow Pipe Length | $4.99 | one-time |


### Mechanical Engineering Toolkit

[App page](https://appshunter.io/ios/app/mechanical-engineering-toolkit/id1601099443)

This utility app provides a comprehensive collection of engineering equations and formulas for students and professionals. Easily perform calculations by selecting a formula and inputting variables, with detailed instructions and reference material included.

**Highlights:** Engineering equations and formulas, Mechanics of Material calculations, Theory of Elasticity formulas, Composite Material properties, Reference material, Variable input for calculations

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Pipe Flow Liquid Pipe Length free?

Pipe Flow Liquid Pipe Length is free to download, with in-app purchases available.

### Is Mechanical Engineering Toolkit free?

Mechanical Engineering Toolkit is free to download, with in-app purchases available.

### Which has better reviews, Pipe Flow Liquid Pipe Length or Mechanical Engineering Toolkit?

Mechanical Engineering Toolkit is rated higher. Pipe Flow Liquid Pipe Length averages 3.0 out of 5 from 1 ratings, while Mechanical Engineering Toolkit averages 4.8 from 64 ratings.

### Do Pipe Flow Liquid Pipe Length or Mechanical Engineering Toolkit have ads?

Mechanical Engineering Toolkit shows ads; Pipe Flow Liquid Pipe Length does not.

### Which is updated more often, Pipe Flow Liquid Pipe Length or Mechanical Engineering Toolkit?

Pipe Flow Liquid Pipe Length ships an update fortnightly, and Mechanical Engineering Toolkit every 8 days. Most recently, Pipe Flow Liquid Pipe Length was updated on September 22, 2026 and Mechanical Engineering Toolkit on September 24, 2026.

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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.*