# Teamsters 507 vs Insulators Local 19

The clearest difference is rating: Insulators Local 19 at 5.0 against Teamsters 507's 4.7. Teamsters 507's advantage is ratings volume (17 vs 3). 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.

Insulators Local 19 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 3, so its average is the more settled of the two.

Teamsters 507 ships an update every 3 months, Insulators Local 19 every 4 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Teamsters 507 | Insulators Local 19 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (17 ratings)](https://appshunter.io/ios/app/teamsters-507/id1547923048/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/insulators-local-19/id1663597381/reviews)** |
| Number of ratings | **17** | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 116 MB | 116 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) | [Intl Assoc Of Heat And Frost Insulators And Allied Workers Local 19](https://appshunter.io/developer/1663597383) |

## 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


### Insulators Local 19

[App page](https://appshunter.io/ios/app/insulators-local-19/id1663597381)

This app provides members with essential information about their union benefits, industry updates, and union activities. It serves as a communication tool for news, events, and reporting violations. Access is restricted to Insulators Local 19 members.

**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 Insulators Local 19 free?

Insulators Local 19 is free to download, with no in-app purchases.

### Which has better reviews, Teamsters 507 or Insulators Local 19?

Insulators Local 19 is rated higher. Teamsters 507 averages 4.7 out of 5 from 17 ratings, while Insulators Local 19 averages 5.0 from 3 ratings.

### Do Teamsters 507 or Insulators Local 19 have ads?

Neither Teamsters 507 nor Insulators Local 19 shows ads.

### Which is updated more often, Teamsters 507 or Insulators Local 19?

Teamsters 507 ships an update every 3 months, and Insulators Local 19 every 4 months. Most recently, Teamsters 507 was updated on October 3, 2026 and Insulators Local 19 on October 2, 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.*