# PXN Audio vs WeldKit

The clearest difference is in-app purchases: PXN Audio at none against WeldKit's 1. PXN Audio also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. WeldKit sells 1 one-off in-app purchase. PXN Audio asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | PXN Audio | WeldKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weldkit-welding-calculators/id6761280549/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 47 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳莱仕达电子科技有限公司](https://appshunter.io/developer/1435120092) | [Mark Laporte](https://appshunter.io/developer/1888573188) |

## What reviewers say

### PXN Audio

[App page](https://appshunter.io/ios/app/pxn-audio/id1546951381)

**Features:** macOS Compatibility

**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 settings.

**Highlights:** MIG, TIG, Stick, Flux-Core calculators, Plasma Cutting and Heat Input calculators, Weld Cost Estimator, Preheat Temperature Calculator, Imperial and metric support, Fast, simple interface, 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 PXN Audio free?

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

### Is WeldKit free?

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

### Do PXN Audio or WeldKit have ads?

WeldKit shows ads; PXN Audio does not.

### Which is updated more often, PXN Audio or WeldKit?

PXN Audio ships an update every 2 weeks, and WeldKit every 2 weeks. Most recently, PXN Audio was updated on November 7, 2026 and WeldKit on November 9, 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.*