# WeldCalc Pro vs Welding Reference Pro

The clearest difference is update cadence: Welding Reference Pro at every 4 days against WeldCalc Pro's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. WeldCalc Pro sells 2 in-app purchases, starting at $1.99 per 7 days and Welding Reference Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

WeldCalc Pro ships an update every 3 weeks, Welding Reference Pro every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | WeldCalc Pro | Welding Reference Pro |
| --- | --- | --- |
| 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 3 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ersel Tarhan](https://appshunter.io/developer/1093545232) | [ZIma Logistics LLC](https://appshunter.io/developer/1883563240) |

## What reviewers say

### WeldCalc Pro

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

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Annual Premium | $19.99 | per year |


### 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 |


## Frequently asked questions

### Is WeldCalc Pro free?

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

### Is Welding Reference Pro free?

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

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

Neither WeldCalc Pro nor Welding Reference Pro shows ads.

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

WeldCalc Pro ships an update every 3 weeks, and Welding Reference Pro every 4 days. Most recently, WeldCalc Pro was updated on October 24, 2026 and Welding Reference Pro on October 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.*