# Ironworkers 40 vs Ironworkers 66

The clearest difference is rating: Ironworkers 66 at 5.0 against Ironworkers 40's 4.5. Ironworkers 66 also leads on update cadence (every 3 months vs every 9 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ironworkers 66 holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 10 and 4 respectively.

Ironworkers 40 ships an update every 9 months, Ironworkers 66 every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ironworkers 40 | Ironworkers 66 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (10 ratings)](https://appshunter.io/ios/app/ironworkers-40/id6752284047/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ironworkers-66/id6754759963/reviews)** |
| Number of ratings | **10** | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 115 MB | 116 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [International Associates of Bridge Structural and Ornament](https://appshunter.io/developer/1840404685) | [International Assn of Bridge Structural and Ornamental Iron Workers LU 66](https://appshunter.io/developer/1849884357) |

## What reviewers say

### Ironworkers 40

[App page](https://appshunter.io/ios/app/ironworkers-40/id6752284047)

This app provides members with easy access to union resources and communication tools. Members can pay dues, find contact information, and receive news and updates directly from their local union.

**Highlights:** Pay dues, Contact information, Push notifications, News and updates, Member resources

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

**In-app purchases:** none


### Ironworkers 66

[App page](https://appshunter.io/ios/app/ironworkers-66/id6754759963)

Stay informed about union news, events, and benefits. Access member tools like wage rates and a digital card. Connect with your union and learn about signatory contractors and political action.

**Highlights:** Union news and events, Member benefits information, Signatory contractor directory, Political action resources, Digital membership card, Wage rate information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Ironworkers 40 free?

Ironworkers 40 is free to download, with no in-app purchases.

### Is Ironworkers 66 free?

Ironworkers 66 is free to download, with no in-app purchases.

### Which has better reviews, Ironworkers 40 or Ironworkers 66?

Ironworkers 66 is rated higher. Ironworkers 40 averages 4.5 out of 5 from 10 ratings, while Ironworkers 66 averages 5.0 from 4 ratings.

### Do Ironworkers 40 or Ironworkers 66 have ads?

Neither Ironworkers 40 nor Ironworkers 66 shows ads.

### Which is updated more often, Ironworkers 40 or Ironworkers 66?

Ironworkers 40 ships an update every 9 months, and Ironworkers 66 every 3 months. Most recently, Ironworkers 40 was updated on October 29, 2026 and Ironworkers 66 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.*