# Welding Reference Pro vs Welding Sheet Metal Calculator

The clearest difference is update cadence: Welding Reference Pro at every 4 days against Welding Sheet Metal Calculator's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Welding Reference Pro sells 1 one-off in-app purchase and Welding Sheet Metal Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Welding Reference Pro ships an update every 4 days, Welding Sheet Metal Calculator monthly. The most recent releases landed on August 27, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Welding Reference Pro | Welding Sheet Metal Calculator |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ZIma Logistics LLC](https://appshunter.io/developer/1883563240) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## 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 |


### Welding Sheet Metal Calculator

[App page](https://appshunter.io/ios/app/welding-sheet-metal-calculator/id6768884172)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Welding Fab Toolkit | $12.99 | one-time |


## Frequently asked questions

### Is Welding Reference Pro free?

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

### Is Welding Sheet Metal Calculator free?

Welding Sheet Metal Calculator is free to download, with in-app purchases available.

### Do Welding Reference Pro or Welding Sheet Metal Calculator have ads?

Neither Welding Reference Pro nor Welding Sheet Metal Calculator shows ads.

### Which is updated more often, Welding Reference Pro or Welding Sheet Metal Calculator?

Welding Reference Pro ships an update every 4 days, and Welding Sheet Metal Calculator monthly. Most recently, Welding Reference Pro was updated on August 27, 2026 and Welding Sheet Metal Calculator 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.*