# IW 451 vs Ironworkers 580 MAP

IW 451 and Ironworkers 580 MAP are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

IW 451 ships an update every 5 months, Ironworkers 580 MAP every 6 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IW 451 | Ironworkers 580 MAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iw-451/id1582356496/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | — |
| Size | 117 MB | 118 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Iron Workers Local 451](https://appshunter.io/developer/1582356498) | [INTERNATIONAL ASSOCIATION OF BRIDGE IRONWORKERS LOCAL 417](https://appshunter.io/developer/1648074315) |

## What reviewers say

### IW 451

[App page](https://appshunter.io/ios/app/iw-451/id1582356496)

This app provides union members with essential information about their benefits, industry news, and union activities. It serves as a tool to enhance understanding of their role and available resources.

**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 IW 451 free?

IW 451 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 IW 451 or Ironworkers 580 MAP have ads?

Neither IW 451 nor Ironworkers 580 MAP shows ads.

### Which is updated more often, IW 451 or Ironworkers 580 MAP?

IW 451 ships an update every 5 months, and Ironworkers 580 MAP every 6 months. Most recently, IW 451 was updated on October 15, 2026 and Ironworkers 580 MAP on October 8, 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.*