# iWeld vs ASME IX Welding

The clearest difference is in-app purchases: iWeld at none against ASME IX Welding's 5. ASME IX Welding's advantage is update cadence (every 5 months vs every 64 months) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ASME IX Welding sells 5 in-app purchases, starting at $4.99 per month. iWeld asks for nothing beyond the download.

iWeld ships an update every 64 months, ASME IX Welding every 5 months. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | iWeld | ASME IX Welding |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 1 MB | 32 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [ControlPoint](https://appshunter.io/developer/1048547450) | [Austenite Pty Ltd](https://appshunter.io/developer/1525502686) |

## What reviewers say

### iWeld

[App page](https://appshunter.io/ios/app/iweld/id573150022)

This app calculates optimal joint parameters for manual butt fusion machines. It guides users through the fusion process with timers and helpful tips. Compatible with various Welda and Bulldog models.

**Highlights:** Automatic weld parameter calculation, Supports multiple Welda and Bulldog models, Provides pre-set timers, Offers handy hints and guidance, Clear and concise information display

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

**In-app purchases:** none


### ASME IX Welding

[App page](https://appshunter.io/ios/app/asme-ix-welding/id6448744218)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month at 4.99 | $4.99 | per month |
| Twelve month at 9.99 | $9.99 | per year |
| Twelve month 14.99 USD | $14.99 | per year |
| Twelve months at 23.99 | $23.99 | per year |
| Twelve months at 29.99 | $29.99 | per year |


## Frequently asked questions

### Is iWeld free?

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

### Is ASME IX Welding free?

ASME IX Welding is free to download, with in-app purchases available.

### Do iWeld or ASME IX Welding have ads?

Neither iWeld nor ASME IX Welding shows ads.

### Which is updated more often, iWeld or ASME IX Welding?

iWeld ships an update every 64 months, and ASME IX Welding every 5 months. Most recently, iWeld was updated on November 1, 2026 and ASME IX Welding on November 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*