# Insulators Local 19 vs IUOE 420

The clearest difference is rating: Insulators Local 19 at 5.0 against IUOE 420'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 — 3 and 3 respectively.

Insulators Local 19 ships an update every 4 months, IUOE 420 every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Insulators Local 19 | IUOE 420 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/insulators-local-19/id1663597381/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/iuoe-420/id6448697835/reviews) |
| Number of ratings | 3 | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 116 MB | 118 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Intl Assoc Of Heat And Frost Insulators And Allied Workers Local 19](https://appshunter.io/developer/1663597383) | [International Union of Operating Engineers-Local 420](https://appshunter.io/developer/1685637485) |

## What reviewers say

### 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


### IUOE 420

[App page](https://appshunter.io/ios/app/iuoe-420/id6448697835)

This app provides union members with news, updates on industry events, and information about available benefits. It also includes features for reporting violations and engaging in political action. Access is restricted to IUOE 420 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 Insulators Local 19 free?

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

### Is IUOE 420 free?

IUOE 420 is free to download, with no in-app purchases.

### Which has better reviews, Insulators Local 19 or IUOE 420?

Insulators Local 19 is rated higher. Insulators Local 19 averages 5.0 out of 5 from 3 ratings, while IUOE 420 averages 4.3 from 3 ratings.

### Do Insulators Local 19 or IUOE 420 have ads?

Neither Insulators Local 19 nor IUOE 420 shows ads.

### Which is updated more often, Insulators Local 19 or IUOE 420?

Insulators Local 19 ships an update every 4 months, and IUOE 420 every 3 months. Most recently, Insulators Local 19 was updated on November 3, 2026 and IUOE 420 on November 3, 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.*