# IW 451 vs IW 404

The clearest difference is rating: IW 451 at 5.0 against IW 404's 4.8. On price, ratings volume, update cadence and ads there is nothing between them.

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

IW 451 holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IW 451 | IW 404 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iw-451/id1582356496/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/iw-404/id1605952953/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | Free |
| Size | 117 MB | 116 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) | [Iron Workers Local 404](https://appshunter.io/developer/1605952955) |

## 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


### IW 404

[App page](https://appshunter.io/ios/app/iw-404/id1605952953)

This app provides exclusive news, updates, and resources for members of Iron Workers Local 404. It helps members understand their union's benefits, industry news, and contract specifics. Features include a call board, contact information, and reporting tools.

**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


## Frequently asked questions

### Is IW 451 free?

IW 451 is free to download, with no in-app purchases.

### Is IW 404 free?

IW 404 is free to download, with no in-app purchases.

### Which has better reviews, IW 451 or IW 404?

IW 451 is rated higher. IW 451 averages 5.0 out of 5 from 2 ratings, while IW 404 averages 4.8 from 4 ratings.

### Do IW 451 or IW 404 have ads?

Neither IW 451 nor IW 404 shows ads.

### Which is updated more often, IW 451 or IW 404?

IW 451 ships an update every 5 months, and IW 404 every 5 months. Most recently, IW 451 was updated on October 15, 2026 and IW 404 on October 24, 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.*