# Ironworkers Local 377 vs Ironworkers 580 MAP

Ironworkers Local 377 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.

Ironworkers Local 377 ships an update every 4 months, Ironworkers 580 MAP every 6 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ironworkers Local 377 | Ironworkers 580 MAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (97 ratings)](https://appshunter.io/ios/app/ironworkers-local-377/id1592876156/reviews)** | — |
| Number of ratings | **97** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 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 AFL CIO Local 377](https://appshunter.io/developer/1592876158) | [INTERNATIONAL ASSOCIATION OF BRIDGE IRONWORKERS LOCAL 417](https://appshunter.io/developer/1648074315) |

## What reviewers say

### Ironworkers Local 377

[App page](https://appshunter.io/ios/app/ironworkers-local-377/id1592876156)

This app educates and empowers union members by providing access to news, updates on industry contracts, and important contact information. It serves as a tool to help members understand their role and available benefits within their union.

**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 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 Ironworkers Local 377 free?

Ironworkers Local 377 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 Ironworkers Local 377 or Ironworkers 580 MAP have ads?

Neither Ironworkers Local 377 nor Ironworkers 580 MAP shows ads.

### Which is updated more often, Ironworkers Local 377 or Ironworkers 580 MAP?

Ironworkers Local 377 ships an update every 4 months, and Ironworkers 580 MAP every 6 months. Most recently, Ironworkers Local 377 was updated on October 20, 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.*