# WeldEquations vs Piping Engineering Toolbox

The clearest difference is in-app purchases: WeldEquations at none against Piping Engineering Toolbox's 4. Piping Engineering Toolbox's advantage is update cadence (every 3 months vs every 12 months) and iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Piping Engineering Toolbox sells 4 in-app purchases, starting at $1.99 per 7 days. WeldEquations asks for nothing beyond the download.

WeldEquations ships an update every 12 months, Piping Engineering Toolbox every 3 months. The most recent releases landed on September 27, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | WeldEquations | Piping Engineering Toolbox |
| --- | --- | --- |
| Price | Free | 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 12 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 61 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Glendale Coding Labs, Inc](https://appshunter.io/developer/1266859626) | [Shital Gorasiya](https://appshunter.io/developer/1737199158) |

## What reviewers say

### WeldEquations

[App page](https://appshunter.io/ios/app/weldequations/id1266859627)

**Features:** macOS Compatibility

**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 WeldEquations free?

WeldEquations is free to download, with no in-app purchases.

### Is Piping Engineering Toolbox free?

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

### Do WeldEquations or Piping Engineering Toolbox have ads?

Neither WeldEquations nor Piping Engineering Toolbox shows ads.

### Which is updated more often, WeldEquations or Piping Engineering Toolbox?

WeldEquations ships an update every 12 months, and Piping Engineering Toolbox every 3 months. Most recently, WeldEquations was updated on September 27, 2026 and Piping Engineering Toolbox 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.*