# Teamsters 507 vs IW 451

The clearest difference is rating: IW 451 at 5.0 against Teamsters 507's 4.7. Teamsters 507's advantage is ratings volume (17 vs 2). 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.

IW 451 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Teamsters 507 has 17 ratings behind it against 2, so its average is the more settled of the two.

Teamsters 507 ships an update every 3 months, IW 451 every 5 months. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Teamsters 507 | IW 451 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (17 ratings)](https://appshunter.io/ios/app/teamsters-507/id1547923048/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iw-451/id1582356496/reviews)** |
| Number of ratings | **17** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 116 MB | 117 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [TEAMSTERS LOCAL UNION NO. 507](https://appshunter.io/developer/1547923050) | [Iron Workers Local 451](https://appshunter.io/developer/1582356498) |

## What reviewers say

### Teamsters 507

[App page](https://appshunter.io/ios/app/teamsters-507/id1547923048)

Stay informed and engaged with your union. Receive up-to-date notifications, general news, and specific contract updates. Access contact information and more, all designed for members.

**Highlights:** Up-to-date notifications, General news and content, Contact information, Specific contract updates, Member engagement tools

**Features:** Apple Wallet

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Teamsters 507 free?

Teamsters 507 is free to download, with no in-app purchases.

### Is IW 451 free?

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

### Which has better reviews, Teamsters 507 or IW 451?

IW 451 is rated higher. Teamsters 507 averages 4.7 out of 5 from 17 ratings, while IW 451 averages 5.0 from 2 ratings.

### Do Teamsters 507 or IW 451 have ads?

Neither Teamsters 507 nor IW 451 shows ads.

### Which is updated more often, Teamsters 507 or IW 451?

Teamsters 507 ships an update every 3 months, and IW 451 every 5 months. Most recently, Teamsters 507 was updated on October 3, 2026 and IW 451 on October 15, 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.*