# ElbowData vs Pipe Flow Liquid Pipe Length

The clearest difference is ads: Pipe Flow Liquid Pipe Length at none against ElbowData's shown. Pipe Flow Liquid Pipe Length also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (11.0 vs 15.1). ElbowData's advantage is monetization model (ad-supported vs free with in-app purchases). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.0 for ElbowData against 3.0 for Pipe Flow Liquid Pipe Length. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

ElbowData ships an update every 2 months, Pipe Flow Liquid Pipe Length fortnightly. Both last shipped on September 22, 2026.

## The numbers

| Metric | ElbowData | Pipe Flow Liquid Pipe Length |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/elbowdata/id1460558732/reviews) | [3.0 (1 ratings)](https://appshunter.io/ios/app/pipe-flow-liquid-pipe-length/id1582968040/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 42 MB | 66 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELM-web](https://appshunter.io/developer/1460558731) | [Pipe Flow Software](https://appshunter.io/developer/1193064957) |

## What reviewers say

### ElbowData

[App page](https://appshunter.io/ios/app/elbowdata/id1460558732)

This utility app helps industrial piping professionals quickly visualize pipe and elbow dimensions based on ISO/ASME standards. It offers instant calculations for diameter, angle, and radius, with support for various elbow formats and segmented elbows.

**Highlights:** Pipe and elbow dimension visualization, ISO/ASME standard compliance, Diameter, angle, radius calculation, 2D/3D/5D elbow formats, Segmented elbow generation, PDF abacuses and isometric sheets, Inch/millimeter conversion

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium version | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is ElbowData free?

ElbowData is free to download, with in-app purchases available.

### Is Pipe Flow Liquid Pipe Length free?

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

### Which has better reviews, ElbowData or Pipe Flow Liquid Pipe Length?

ElbowData and Pipe Flow Liquid Pipe Length are both rated 3.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do ElbowData or Pipe Flow Liquid Pipe Length have ads?

ElbowData shows ads; Pipe Flow Liquid Pipe Length does not.

### Which is updated more often, ElbowData or Pipe Flow Liquid Pipe Length?

ElbowData ships an update every 2 months, and Pipe Flow Liquid Pipe Length fortnightly. Most recently, ElbowData was updated on September 22, 2026 and Pipe Flow Liquid Pipe Length on September 22, 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.*