# IUOE 66 vs Ironworkers 66

The clearest difference is review sentiment: Ironworkers 66 at 100% against IUOE 66's 25%. Ironworkers 66 also leads on rating (5.0 vs 4.5). IUOE 66's advantage is ratings volume (83 vs 4). On price, update cadence, 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. That said, the two scores are not equally well evidenced: IUOE 66 has 83 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 25% of IUOE 66's written reviews are positive against 100% of Ironworkers 66's.

IUOE 66 ships an update every 2 months, Ironworkers 66 every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IUOE 66 | Ironworkers 66 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (83 ratings)](https://appshunter.io/ios/app/iuoe-66/id725534647/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ironworkers-66/id6754759963/reviews)** |
| Number of ratings | **83** | 4 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 89 MB | 116 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [International Union of Operating Engrs (MD)](https://appshunter.io/developer/1634791783) | [International Assn of Bridge Structural and Ornamental Iron Workers LU 66](https://appshunter.io/developer/1849884357) |

## What reviewers say

### IUOE 66

[App page](https://appshunter.io/ios/app/iuoe-66/id725534647)

This app provides union members with access to news, updates on industry and contract specifics, and event information. It also includes features for reporting violations and accessing contact details. The tool aims to help members understand their union role and available benefits.

**Highlights:** General news and updates, Industry and contract updates, Call board integration, Contact information, Report violations, Political action and organizing

**Features:** macOS Compatibility, Apple Wallet

**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 IUOE 66 free?

IUOE 66 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, IUOE 66 or Ironworkers 66?

Ironworkers 66 is rated higher. IUOE 66 averages 4.5 out of 5 from 83 ratings, while Ironworkers 66 averages 5.0 from 4 ratings.

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

Neither IUOE 66 nor Ironworkers 66 shows ads.

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

IUOE 66 ships an update every 2 months, and Ironworkers 66 every 3 months. Most recently, IUOE 66 was updated on October 23, 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.*