# Welding Toolbox 2 vs WeldKit

The clearest difference is review sentiment: WeldKit at 100% against Welding Toolbox 2's 50%. WeldKit also leads on price (Free vs $7.99) and update cadence (every 2 weeks vs every 29 months). Welding Toolbox 2's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

WeldKit is free to download; Welding Toolbox 2 costs $7.99 up front. WeldKit sells 1 one-off in-app purchase. Welding Toolbox 2 asks for nothing beyond the download.

Welding Toolbox 2 ships an update every 29 months, WeldKit every 2 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Welding Toolbox 2 | WeldKit |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weldkit-welding-calculators/id6761280549/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 29 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Parsify Technologies Antoni Kepinski](https://appshunter.io/developer/1546617908) | [Mark Laporte](https://appshunter.io/developer/1888573188) |

## 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


### WeldKit

[App page](https://appshunter.io/ios/app/weldkit-welding-calculators/id6761280549)

This app provides essential welding calculations and reference tools for professionals. It offers a free MIG calculator and unlocks seven additional calculators with a one-time purchase, eliminating subscriptions. Designed for speed and ease of use in shop or field environments, it helps users dial in settings and work with greater confidence.

**Highlights:** MIG, TIG, Stick, Flux-Core calculators, Plasma Cutting and Heat Input calculators, Weld Cost Estimator, Preheat Temperature Calculator, Fast, simple interface, Imperial and metric support, No accounts required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeldKit Pro | $9.99 | one-time |


## Frequently asked questions

### Is Welding Toolbox 2 free?

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

### Is WeldKit free?

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

### Do Welding Toolbox 2 or WeldKit have ads?

WeldKit shows ads; Welding Toolbox 2 does not.

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

Welding Toolbox 2 ships an update every 29 months, and WeldKit every 2 weeks. Most recently, Welding Toolbox 2 was updated on October 3, 2026 and WeldKit on October 7, 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.*