# IUOE 420 vs Ironworkers 580 MAP

The clearest difference is update cadence: IUOE 420 at every 3 months against Ironworkers 580 MAP's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

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

IUOE 420 ships an update every 3 months, Ironworkers 580 MAP every 6 months. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IUOE 420 | Ironworkers 580 MAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/iuoe-420/id6448697835/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 118 MB | 118 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [International Union of Operating Engineers-Local 420](https://appshunter.io/developer/1685637485) | [INTERNATIONAL ASSOCIATION OF BRIDGE IRONWORKERS LOCAL 417](https://appshunter.io/developer/1648074315) |

## What reviewers say

### IUOE 420

[App page](https://appshunter.io/ios/app/iuoe-420/id6448697835)

This app provides union members with news, updates on industry events, and information about available benefits. It also includes features for reporting violations and engaging in political action. Access is restricted to IUOE 420 members.

**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


### Ironworkers 580 MAP

[App page](https://appshunter.io/ios/app/ironworkers-580-map/id6745402084)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IUOE 420 free?

IUOE 420 is free to download, with no in-app purchases.

### Is Ironworkers 580 MAP free?

Ironworkers 580 MAP is free to download, with no in-app purchases.

### Do IUOE 420 or Ironworkers 580 MAP have ads?

Neither IUOE 420 nor Ironworkers 580 MAP shows ads.

### Which is updated more often, IUOE 420 or Ironworkers 580 MAP?

IUOE 420 ships an update every 3 months, and Ironworkers 580 MAP every 6 months. Most recently, IUOE 420 was updated on October 15, 2026 and Ironworkers 580 MAP on October 25, 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.*