# Welding Weight Calculator vs Piping Engineering Toolbox

The clearest difference is price: Piping Engineering Toolbox at Free against Welding Weight Calculator's $4.99. Piping Engineering Toolbox also leads on update cadence (every 3 months vs every 48 months) and iOS requirement (12.0 vs 16.1). Welding Weight Calculator's advantage is in-app purchases (none vs 4). On ads and device support there is nothing between them.

Piping Engineering Toolbox is free to download; Welding Weight Calculator costs $4.99 up front. Piping Engineering Toolbox sells 4 in-app purchases, starting at $1.99 per 7 days. Welding Weight Calculator asks for nothing beyond the download.

Welding Weight Calculator ships an update every 48 months, Piping Engineering Toolbox every 3 months. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Welding Weight Calculator | Piping Engineering Toolbox |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[3.7 (9 ratings)](https://appshunter.io/ios/app/piping-engineering-toolbox/id6654914337/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 61 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [Shital Gorasiya](https://appshunter.io/developer/1737199158) |

## What reviewers say

### Welding Weight Calculator

[App page](https://appshunter.io/ios/app/welding-weight-calculator/id1491333815)

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

**In-app purchases:** none


### Piping Engineering Toolbox

[App page](https://appshunter.io/ios/app/piping-engineering-toolbox/id6654914337)

This app provides piping engineers with essential tools, dimensions, and standards for design and analysis. It includes calculators, checklists, software shortcuts, and educational resources to streamline work and enhance knowledge.

**Highlights:** Pipe wall thickness calculator, Branch reinforcement calculator, Piping checklists, Fitting dimensions, Software shortcuts (AutoCAD, MicroStation), Piping standards references (ASME, ASTM), Industry blog and quizzes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $7.99 | per year |
| Lifetime Premium | $12.99 | one-time |


## Frequently asked questions

### Is Welding Weight Calculator free?

Welding Weight Calculator costs $4.99, with no in-app purchases.

### Is Piping Engineering Toolbox free?

Piping Engineering Toolbox is free to download, with in-app purchases available.

### Do Welding Weight Calculator or Piping Engineering Toolbox have ads?

Neither Welding Weight Calculator nor Piping Engineering Toolbox shows ads.

### Which is updated more often, Welding Weight Calculator or Piping Engineering Toolbox?

Welding Weight Calculator ships an update every 48 months, and Piping Engineering Toolbox every 3 months. Most recently, Welding Weight Calculator was updated on October 17, 2026 and Piping Engineering Toolbox on October 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.*