# Teamsters 507 vs IW 33

The clearest difference is rating: Teamsters 507 at 4.7 against IW 33's 4.3. 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.

Teamsters 507 holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 17 and 6 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Teamsters 507 | IW 33 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (17 ratings)](https://appshunter.io/ios/app/teamsters-507/id1547923048/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/iw-33/id1601091146/reviews) |
| Number of ratings | **17** | 6 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 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 Union 33](https://appshunter.io/developer/1601091148) |

## 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 33

[App page](https://appshunter.io/ios/app/iw-33/id1601091146)

Stay informed about your union with access to local information, news, and upcoming events. Receive push notifications for important updates and find resources for mental wellness and political involvement.

**Highlights:** Local union information, Announcements and events, Push notifications, Mental health resources, Political information

**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 33 free?

IW 33 is free to download, with no in-app purchases.

### Which has better reviews, Teamsters 507 or IW 33?

Teamsters 507 is rated higher. Teamsters 507 averages 4.7 out of 5 from 17 ratings, while IW 33 averages 4.3 from 6 ratings.

### Do Teamsters 507 or IW 33 have ads?

Neither Teamsters 507 nor IW 33 shows ads.

### Which is updated more often, Teamsters 507 or IW 33?

Teamsters 507 ships an update every 3 months, and IW 33 every 3 months. Most recently, Teamsters 507 was updated on October 3, 2026 and IW 33 on October 9, 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.*