# Elbow vs PipingData

The clearest difference is review sentiment: PipingData at 100% against Elbow's 0%. PipingData also leads on in-app purchases (none vs 2). Elbow's advantage is price (Free vs $4.99) and iOS requirement (13.0 vs 15.1). On update cadence, ads and device support there is nothing between them.

Elbow is free to download; PipingData costs $4.99 up front. Elbow sells 2 in-app purchases, starting at $4.99 per 7 days. PipingData asks for nothing beyond the download.

Elbow ships an update every 4 months, PipingData every 3 months. The most recent releases landed on September 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Elbow | PipingData |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elbow-flat-pattern/id6471258565/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 58 MB | 32 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [ELM-web](https://appshunter.io/developer/1460558731) |

## What reviewers say

### Elbow

[App page](https://appshunter.io/ios/app/elbow-flat-pattern/id6471258565)

This tool simplifies the creation of accurate flat patterns for elbow fittings in sheet metal fabrication, HVAC, and piping. Input key parameters like angle and dimensions to instantly generate precise calculations for cutting and shaping materials, saving time and reducing errors.

**Highlights:** Calculate inner arc length, Determine elbow angle and cutting dimensions, Support custom angle inputs, Accurate flat pattern development, Quick and reliable results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $9.99 | per month |


### PipingData

[App page](https://appshunter.io/ios/app/pipingdata/id6477729206)

Visualize industrial piping data with an intuitive interface. Explore results instantly by hovering over components, and generate printable templates for branch connections. Supports multiple languages and unit conversions.

**Highlights:** Interactive piping component visualization, Data exploration via hovering, Printable branch connection templates, Multi-language support (19 languages), Inch/mm unit conversion, Downloadable industrial documents

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

**In-app purchases:** none


## Frequently asked questions

### Is Elbow free?

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

### Is PipingData free?

PipingData costs $4.99, with no in-app purchases.

### Do Elbow or PipingData have ads?

Neither Elbow nor PipingData shows ads.

### Which is updated more often, Elbow or PipingData?

Elbow ships an update every 4 months, and PipingData every 3 months. Most recently, Elbow was updated on September 7, 2026 and PipingData 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.*