# Welding Toolbox 2 — Welding inspection utilities

> Welding inspection utility app with multiple calculators and data export. (iPhone/iPad app by Parsify Technologies Antoni Kepinski.)

- Source: https://appshunter.io/ios/app/welding-toolbox-2/id1546617906 (this page in markdown: same URL + `.md`)
- Developer: [Parsify Technologies Antoni Kepinski](https://appshunter.io/developer/1546617908)
- Category: Utilities, Education
- Price: $7.99
- Age rating: 4+
- Requires: iOS 16.0 · 29 MB
- Languages: American English
- Released: 2020-12-29
- Data updated: 2026-09-02
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/welding-toolbox-2/id1546617906/reviews.md

## What is Welding Toolbox 2?

About

This app contains a set of useful tools related to welding inspection, including:

- Heat input calculator
- Equivalent carbon content (CEQ, CET & CE AWS) calculator
- Critical metal parameter (PCM) calculator
- Pitting resistance equivalent number (PREN) calculator

Heat input calculation works according to EN 1011-1 norm. 

Features

- Supports metric & imperial systems
- Supports custom fields
- Includes result history and export as a spreadsheet (XLSX file) feature
- Created in cooperation with professional welding engineers
- Lightweight & fast
- Free & fully open-source
- Without ads or in-app purchases

Source code repository: https://github.com/xxczaki/welding-toolbox-2

Support

You can ask questions, report issues and provide suggestions by:
- sending an email to appstore@parsify.eu
- creating an issue in our GitHub repository

## Key features

- Heat input calculator
- Equivalent carbon content calculator
- Critical metal parameter calculator
- Pitting resistance calculator
- Metric & imperial system support
- Result history and export
- Open-source

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/welding-toolbox-2/id1546617906/reviews.md

### 5/5 — Very good in the field

*2026-05-22*

I adjusted the efficiency factor to 1.0 after data entry. My readings are accurate. 
Extremely easy to complete field parameters with this app

### 1/5 — Calculations don’t add up correctly

*2024-02-02*

Unless I’m doing something, the calculations done add correctly.

## Frequently asked questions about Welding Toolbox 2

### What welding calculations can Welding Toolbox 2 perform?

Welding Toolbox 2 can calculate heat input according to EN 1011-1, equivalent carbon content (CEQ, CET, CE AWS), critical metal parameters (PCM), and pitting resistance equivalent number (PREN).

### Does Welding Toolbox 2 support different measurement systems?

Yes, Welding Toolbox 2 supports both metric and imperial systems, allowing for flexibility in calculations based on your project requirements.

### Can I save and export my welding calculations?

Yes, the app includes a result history feature and allows you to export your calculations as an XLSX spreadsheet file for further analysis or record-keeping.

### Is Welding Toolbox 2 free to use?

No, Welding Toolbox 2 is a paid application priced at $7.99. It is free of ads and in-app purchases.

### What devices is Welding Toolbox 2 available on?

Welding Toolbox 2 is available for iPhone and iPad devices.

### How often is Welding Toolbox 2 updated?

The latest version, 2.2.0, was last updated on January 6, 2026. The app was initially released on December 29, 2020.

### Is Welding Toolbox 2 suitable for beginners?

While created in cooperation with professional welding engineers, the app's straightforward calculators and clear interface can be beneficial for both professionals and those learning about welding inspection.

### Does Welding Toolbox 2 have ads?

No, Welding Toolbox 2 is completely free of advertisements and in-app purchases, offering an uninterrupted user experience.

## Version history (last 4 releases)

### 2.2.0 — 2026-01-06

- Major UI redesign, internal refactor (incl. dependency upgrades)
- Live Activity for the welding timer (currently read-only)
- Optional, AR-based distance measurement for weld length (only on supported devices)

### 1.1.0 — 2023-08-21

- Updated the app internally
- Slight design changes

### 1.0.1 — 2021-01-06

- Fixed the stopwatch accuracy (it is now as accurate as the system clock)
- The buttons are now a bit bigger.
- Removed the donate button.

### 1.0 — 2020-12-29

No release notes.

## Related topics

[miller welding calculator](https://appshunter.io/ios/topics/miller-welding-calculator) · [hobart welding calculator](https://appshunter.io/ios/topics/hobart-welding-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-02.*