# UA 51 vs Ironworkers 580 MAP

UA 51 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.

UA 51 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 | UA 51 | Ironworkers 580 MAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ua-51/id6443650616/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 116 MB | 118 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [PLUMBERS & PIPEFITTERS LOCAL 51 REALTY CORPORATION](https://appshunter.io/developer/1648072239) | [INTERNATIONAL ASSOCIATION OF BRIDGE IRONWORKERS LOCAL 417](https://appshunter.io/developer/1648074315) |

## What reviewers say

### UA 51

[App page](https://appshunter.io/ios/app/ua-51/id6443650616)

Stay informed about your union membership with essential updates and notifications. Access organizing materials, make online payments, view social media, and manage your membership portal.

**Highlights:** Push notifications for updates, Organizing material access, Online dues payments, Social media feed, Membership portal

**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 UA 51 free?

UA 51 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 UA 51 or Ironworkers 580 MAP have ads?

Neither UA 51 nor Ironworkers 580 MAP shows ads.

### Which is updated more often, UA 51 or Ironworkers 580 MAP?

UA 51 ships an update every 3 months, and Ironworkers 580 MAP every 6 months. Most recently, UA 51 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.*