# IW 33 vs Insulators Local 19

The clearest difference is rating: Insulators Local 19 at 5.0 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.

Insulators Local 19 holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

IW 33 ships an update every 3 months, Insulators Local 19 every 4 months. The most recent releases landed on June 11, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | IW 33 | Insulators Local 19 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/iw-33/id1601091146/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/insulators-local-19/id1663597381/reviews)** |
| Number of ratings | **6** | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 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 Union 33](https://appshunter.io/developer/1601091148) | [Intl Assoc Of Heat And Frost Insulators And Allied Workers Local 19](https://appshunter.io/developer/1663597383) |

## What reviewers say

### 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


### 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 IW 33 free?

IW 33 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, IW 33 or Insulators Local 19?

Insulators Local 19 is rated higher. IW 33 averages 4.3 out of 5 from 6 ratings, while Insulators Local 19 averages 5.0 from 3 ratings.

### Do IW 33 or Insulators Local 19 have ads?

Neither IW 33 nor Insulators Local 19 shows ads.

### Which is updated more often, IW 33 or Insulators Local 19?

IW 33 ships an update every 3 months, and Insulators Local 19 every 4 months. Most recently, IW 33 was updated on June 11, 2026 and Insulators Local 19 on June 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.*