# Welding Reference Pro vs WeldMaster

The clearest difference is in-app purchases: WeldMaster at none against Welding Reference Pro's 1. Welding Reference Pro's advantage is ads (none vs shown) and update cadence (every 4 days vs every 9 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Welding Reference Pro sells 1 one-off in-app purchase. WeldMaster asks for nothing beyond the download.

Welding Reference Pro ships an update every 4 days, WeldMaster every 9 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Welding Reference Pro | WeldMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/welding-reference-pro/id6761250858/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZIma Logistics LLC](https://appshunter.io/developer/1883563240) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### Welding Reference Pro

[App page](https://appshunter.io/ios/app/welding-reference-pro/id6761250858)

This app provides welders with essential tools, including calculators for settings and costs, comprehensive reference guides, and exam preparation modules. It offers offline access to all features, with a one-time purchase unlocking advanced calculators and exam practice.

**Highlights:** Weld setting calculators, Filler metal estimation, Unit conversion, Reference guides, Training modules, Exam preparation, Qualification tracking

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

**In-app purchases (1)**

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


### WeldMaster

[App page](https://appshunter.io/ios/app/weldmaster-welding-calculator/id6790162809)

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

**In-app purchases:** none


## Frequently asked questions

### Is Welding Reference Pro free?

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

### Is WeldMaster free?

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

### Do Welding Reference Pro or WeldMaster have ads?

WeldMaster shows ads; Welding Reference Pro does not.

### Which is updated more often, Welding Reference Pro or WeldMaster?

Welding Reference Pro ships an update every 4 days, and WeldMaster every 9 days. Most recently, Welding Reference Pro was updated on October 12, 2026 and WeldMaster on October 10, 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.*