# Welding Toolbox 2 vs WeldCalc Pro

The clearest difference is price: WeldCalc Pro at Free against Welding Toolbox 2's $7.99. WeldCalc Pro also leads on update cadence (every 3 weeks vs every 29 months). Welding Toolbox 2's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

WeldCalc Pro is free to download; Welding Toolbox 2 costs $7.99 up front. WeldCalc Pro sells 3 in-app purchases, starting at $1.99 per 7 days. Welding Toolbox 2 asks for nothing beyond the download.

Welding Toolbox 2 ships an update every 29 months, WeldCalc Pro every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Welding Toolbox 2 | WeldCalc Pro |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 29 MB | 21 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Parsify Technologies Antoni Kepinski](https://appshunter.io/developer/1546617908) | [Ersel Tarhan](https://appshunter.io/developer/1093545232) |

## What reviewers say

### Welding Toolbox 2

[App page](https://appshunter.io/ios/app/welding-toolbox-2/id1546617906)

This app provides essential tools for welding inspection, including calculators for heat input, equivalent carbon content, critical metal parameters, and pitting resistance. It supports both metric and imperial systems and allows for data export.

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

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

**In-app purchases:** none


### WeldCalc Pro

[App page](https://appshunter.io/ios/app/weldcalc-pro-welding-calc/id6759536437)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Annual Premium | $19.99 | per year |
| WeldCalc Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Welding Toolbox 2 free?

Welding Toolbox 2 costs $7.99, with no in-app purchases.

### Is WeldCalc Pro free?

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

### Do Welding Toolbox 2 or WeldCalc Pro have ads?

Neither Welding Toolbox 2 nor WeldCalc Pro shows ads.

### Which is updated more often, Welding Toolbox 2 or WeldCalc Pro?

Welding Toolbox 2 ships an update every 29 months, and WeldCalc Pro every 3 weeks. Most recently, Welding Toolbox 2 was updated on November 7, 2026 and WeldCalc Pro on November 5, 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.*