# Piping Base Elbow Layout Calc vs Structural SteelBook

The clearest difference is review sentiment: Piping Base Elbow Layout Calc at 44% against Structural SteelBook's 0%. Piping Base Elbow Layout Calc also leads on rating (5.0 vs 4.7) and iOS requirement (12.0 vs 16.0). Structural SteelBook's advantage is update cadence (every 3 days vs every 6 months) and ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Piping Base Elbow Layout Calc costs $4.99 and Structural SteelBook $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Piping Base Elbow Layout Calc holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Structural SteelBook has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 44% of Piping Base Elbow Layout Calc's written reviews are positive against 0% of Structural SteelBook's.

Piping Base Elbow Layout Calc ships an update every 6 months, Structural SteelBook every 3 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Piping Base Elbow Layout Calc | Structural SteelBook |
| --- | --- | --- |
| Price | $4.99 | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/piping-base-elbow-layout-calc/id537390779/reviews)** | [4.7 (6 ratings)](https://appshunter.io/ios/app/structural-steelbook/id6444883369/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | **44.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 1 MB | 71 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jean-Paul Lanaux](https://appshunter.io/developer/306486995) | [David Homes](https://appshunter.io/developer/320954174) |

## What reviewers say

### Piping Base Elbow Layout Calc

[App page](https://appshunter.io/ios/app/piping-base-elbow-layout-calc/id537390779)

This app calculates precise layout dimensions for pipe intersections, generating full-size pattern templates for accurate cuts. It supports various pipe and elbow sizes, wall thicknesses, and output configurations, eliminating the need for traditional reference books or complex calculations.

**Highlights:** Calculates layout dimensions for pipe intersections, Generates full-size pattern templates, Supports various pipe and elbow sizes, Considers pipe wall thickness, Outputs for different printer sizes, Provides imperial and metric units, Allows adjustable cut line accuracy

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

**In-app purchases:** none


### Structural SteelBook

[App page](https://appshunter.io/ios/app/structural-steelbook/id6444883369)

Access a comprehensive reference for structural steel shapes, including multiple AISC library versions. Easily switch between imperial and metric units, sort sections, and perform quick searches. Print or share section properties and cross-sections.

**Highlights:** Multiple AISC library versions (v15, v13, v14, LRFD, ASD), Imperial and metric unit switching, Sort sections by property, Quick search for steel sections, Side-by-side imperial/metric equivalencies, Print and share section properties, Dark/light mode and dynamic type support

**In-app purchases:** none


## Frequently asked questions

### Is Piping Base Elbow Layout Calc free?

Piping Base Elbow Layout Calc costs $4.99, with no in-app purchases.

### Is Structural SteelBook free?

Structural SteelBook costs $4.99, with no in-app purchases.

### Which has better reviews, Piping Base Elbow Layout Calc or Structural SteelBook?

Piping Base Elbow Layout Calc is rated higher. Piping Base Elbow Layout Calc averages 5.0 out of 5 from 1 ratings, while Structural SteelBook averages 4.7 from 6 ratings.

### Do Piping Base Elbow Layout Calc or Structural SteelBook have ads?

Neither Piping Base Elbow Layout Calc nor Structural SteelBook shows ads.

### Which is updated more often, Piping Base Elbow Layout Calc or Structural SteelBook?

Piping Base Elbow Layout Calc ships an update every 6 months, and Structural SteelBook every 3 days. Most recently, Piping Base Elbow Layout Calc was updated on November 6, 2026 and Structural SteelBook on November 3, 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.*