# Ironworkers 405 vs Ironworkers 851

The clearest difference is iOS requirement: Ironworkers 851 at 12.0 against Ironworkers 405's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Ironworkers 405 ships an update every 4 months, Ironworkers 851 every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ironworkers 405 | Ironworkers 851 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ironworkers-405/id1598540982/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 107 MB | 117 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Reinforced Iron Workers Local 405](https://appshunter.io/developer/1598540984) | [IRON WORKERS REGIONAL SHOP LOCAL UNION NO 851](https://appshunter.io/developer/1676585554) |

## What reviewers say

### Ironworkers 405

[App page](https://appshunter.io/ios/app/ironworkers-405/id1598540982)

This app provides Ironworkers 405 members with essential information about their benefits, union news, and industry updates. It serves as a tool to understand available resources and engage with union activities.

**Highlights:** General News & Updates, Industry & Contract Updates, Call Board Integration, Contact Information, Report Violations, Political Action & Organizing

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Ironworkers 851

[App page](https://appshunter.io/ios/app/ironworkers-851/id6446193337)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Ironworkers 405 free?

Ironworkers 405 is free to download, with no in-app purchases.

### Is Ironworkers 851 free?

Ironworkers 851 is free to download, with no in-app purchases.

### Do Ironworkers 405 or Ironworkers 851 have ads?

Neither Ironworkers 405 nor Ironworkers 851 shows ads.

### Which is updated more often, Ironworkers 405 or Ironworkers 851?

Ironworkers 405 ships an update every 4 months, and Ironworkers 851 every 3 months. Most recently, Ironworkers 405 was updated on October 24, 2026 and Ironworkers 851 on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*