# IUOE 181 vs Ironworkers 751

The clearest difference is rating: Ironworkers 751 at 5.0 against IUOE 181's 4.2. Ironworkers 751 also leads on iOS requirement (12.0 vs 15.0). IUOE 181's advantage is ratings volume (31 vs 1). 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 751 holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: IUOE 181 has 31 ratings behind it against 1, so its average is the more settled of the two.

IUOE 181 ships an update every 5 months, Ironworkers 751 every 3 months. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IUOE 181 | Ironworkers 751 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (31 ratings)](https://appshunter.io/ios/app/iuoe-181/id1479325555/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ironworkers-751/id1665610180/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 106 MB | 112 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [International Union of Operating Engineers Local](https://appshunter.io/developer/1479325554) | [Ironworkers Local 751](https://appshunter.io/developer/1665610182) |

## What reviewers say

### IUOE 181

[App page](https://appshunter.io/ios/app/iuoe-181/id1479325555)

This app provides union members with news, updates, and information about their benefits and industry contracts. It serves as a tool to understand their role in the union and access important resources.

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

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

**In-app purchases:** none


### Ironworkers 751

[App page](https://appshunter.io/ios/app/ironworkers-751/id1665610180)

This app provides exclusive access to news, updates, and important information for Ironworkers 751 members. It serves as a tool to understand available benefits, industry contracts, and union involvement.

**Highlights:** General News & Updates, Industry & Contract Updates, Call Board Integration, Contact Information, Report Violations, Political Action & Organizing

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IUOE 181 free?

IUOE 181 is free to download, with no in-app purchases.

### Is Ironworkers 751 free?

Ironworkers 751 is free to download, with no in-app purchases.

### Which has better reviews, IUOE 181 or Ironworkers 751?

Ironworkers 751 is rated higher. IUOE 181 averages 4.2 out of 5 from 31 ratings, while Ironworkers 751 averages 5.0 from 1 ratings.

### Do IUOE 181 or Ironworkers 751 have ads?

Neither IUOE 181 nor Ironworkers 751 shows ads.

### Which is updated more often, IUOE 181 or Ironworkers 751?

IUOE 181 ships an update every 5 months, and Ironworkers 751 every 3 months. Most recently, IUOE 181 was updated on October 26, 2026 and Ironworkers 751 on October 6, 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.*