# WeldZip vs Welding Reference Pro

The clearest difference is in-app purchases: WeldZip at none against Welding Reference Pro's 1. WeldZip also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). Welding Reference Pro's advantage is update cadence (every 4 days vs every 8 months). On price and ads there is nothing between them.

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

WeldZip ships an update every 8 months, Welding Reference Pro every 4 days. The most recent releases landed on September 9, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | WeldZip | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 85 MB | 6 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai KongDe IT Co., LTD.](https://appshunter.io/developer/1235370082) | [ZIma Logistics LLC](https://appshunter.io/developer/1883563240) |

## What reviewers say

### WeldZip

[App page](https://appshunter.io/ios/app/weldzip/id6739935720)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 WeldZip free?

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

### Is Welding Reference Pro free?

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

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

Neither WeldZip nor Welding Reference Pro shows ads.

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

WeldZip ships an update every 8 months, and Welding Reference Pro every 4 days. Most recently, WeldZip was updated on September 9, 2026 and Welding Reference Pro on August 27, 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.*