# Ironworker Pro vs RigMaster

The clearest difference is price: RigMaster at Free against Ironworker Pro's $2.99. RigMaster also leads on iOS requirement (17.0 vs 26.0). Ironworker Pro's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

RigMaster is free to download; Ironworker Pro costs $2.99 up front. RigMaster sells 3 in-app purchases, starting at $4.99 per 7 days. Ironworker Pro asks for nothing beyond the download.

Ironworker Pro ships an update daily, RigMaster every 10 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Ironworker Pro | RigMaster |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ironworker-pro/id6775681910/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 10 days |
| Monetization | Paid | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Pebworth](https://appshunter.io/developer/6775265446) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### Ironworker Pro

[App page](https://appshunter.io/ios/app/ironworker-pro/id6775681910)

This offline field reference app provides welders, ironworkers, and fabricators with essential tools. It includes weld symbols, rigging calculations, construction calculators, steel guides, and a job log with a timesheet, all designed for use without a signal.

**Highlights:** Weld symbols and settings, Rigging load limits and angle calculator, Construction and tape measure guide, Steel materials and cutting guides, Job log with photos and hours tracker, Offline functionality

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

**In-app purchases:** none


### RigMaster

[App page](https://appshunter.io/ios/app/rigmaster-rigging-calculator/id6789944360)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $29.99 | per year |
| RigMaster Pro | $39.99 | one-time |


## Frequently asked questions

### Is Ironworker Pro free?

Ironworker Pro costs $2.99, with no in-app purchases.

### Is RigMaster free?

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

### Do Ironworker Pro or RigMaster have ads?

RigMaster shows ads; Ironworker Pro does not.

### Which is updated more often, Ironworker Pro or RigMaster?

Ironworker Pro ships an update daily, and RigMaster every 10 days. Most recently, Ironworker Pro was updated on October 8, 2026 and RigMaster on October 7, 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.*