# Operating Engineers 324 vs IUOE 12

The clearest difference is rating: Operating Engineers 324 at 5.0 against IUOE 12's 4.4. On price, ratings volume, update cadence and ads there is nothing between them.

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

Operating Engineers 324 holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 27 and 28 respectively.

Operating Engineers 324 ships an update every 4 months, IUOE 12 every 3 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Operating Engineers 324 | IUOE 12 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (27 ratings)](https://appshunter.io/ios/app/operating-engineers-324/id1644585043/reviews)** | [4.4 (28 ratings)](https://appshunter.io/ios/app/iuoe-12/id6476594224/reviews) |
| Number of ratings | 27 | **28** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 115 MB | 120 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OPERATING ENGINEERS LOCAL 324 BUILDING CORPORATION](https://appshunter.io/developer/1644585045) | [Operating Engineers Funds, Inc.](https://appshunter.io/developer/1727275410) |

## What reviewers say

### Operating Engineers 324

[App page](https://appshunter.io/ios/app/operating-engineers-324/id1644585043)

Stay informed about the organization representing over 14,000 heavy equipment operators, technicians, and engineers in Michigan. This app provides news and updates on the organization and its members who contribute to major infrastructure projects across the state.

**Highlights:** Stay connected with the organization, Receive news and updates, Information on union members, Details on infrastructure projects, Updates on the organization's activities

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### IUOE 12

[App page](https://appshunter.io/ios/app/iuoe-12/id6476594224)

This app provides members with direct access to union news, contract updates, and essential resources. Stay informed about industry events, political action, and important contact information.

**Highlights:** General News & Updates, Industry & Contract Updates, Contact Information, Push Notifications, Wage Rates, Benefit Information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Operating Engineers 324 free?

Operating Engineers 324 is free to download, with no in-app purchases.

### Is IUOE 12 free?

IUOE 12 is free to download, with no in-app purchases.

### Which has better reviews, Operating Engineers 324 or IUOE 12?

Operating Engineers 324 is rated higher. Operating Engineers 324 averages 5.0 out of 5 from 27 ratings, while IUOE 12 averages 4.4 from 28 ratings.

### Do Operating Engineers 324 or IUOE 12 have ads?

Neither Operating Engineers 324 nor IUOE 12 shows ads.

### Which is updated more often, Operating Engineers 324 or IUOE 12?

Operating Engineers 324 ships an update every 4 months, and IUOE 12 every 3 months. Most recently, Operating Engineers 324 was updated on October 14, 2026 and IUOE 12 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.*