# IW 451 vs Insulators Local 34

The clearest difference is rating: IW 451 at 5.0 against Insulators Local 34's 4.6. Insulators Local 34's advantage is update cadence (every 2 months vs every 5 months) and ratings volume (18 vs 2). On price, ads, in-app purchases and monetization model 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 4.6. That said, the two scores are not equally well evidenced: Insulators Local 34 has 18 ratings behind it against 2, so its average is the more settled of the two.

IW 451 ships an update every 5 months, Insulators Local 34 every 2 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | IW 451 | Insulators Local 34 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iw-451/id1582356496/reviews)** | [4.6 (18 ratings)](https://appshunter.io/ios/app/insulators-local-34/id6443974920/reviews) |
| Number of ratings | 2 | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 117 MB | 124 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Iron Workers Local 451](https://appshunter.io/developer/1582356498) | [HEAT AND FROST INSULATORS & ASBESTOS WORKERS LOCAL 34 BUILDING CORPORATION](https://appshunter.io/developer/1651137184) |

## What reviewers say

### 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


### Insulators Local 34

[App page](https://appshunter.io/ios/app/insulators-local-34/id6443974920)

This app provides information for the Heat and Frost Insulators & Asbestos Workers Local 34 union. It serves as a building corporation resource for members and stakeholders.

**Highlights:** Union information, Building corporation details, Local 34 resources, Asbestos workers information, Heat and frost insulators data

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IW 451 free?

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

### Is Insulators Local 34 free?

Insulators Local 34 is free to download, with no in-app purchases.

### Which has better reviews, IW 451 or Insulators Local 34?

IW 451 is rated higher. IW 451 averages 5.0 out of 5 from 2 ratings, while Insulators Local 34 averages 4.6 from 18 ratings.

### Do IW 451 or Insulators Local 34 have ads?

Neither IW 451 nor Insulators Local 34 shows ads.

### Which is updated more often, IW 451 or Insulators Local 34?

IW 451 ships an update every 5 months, and Insulators Local 34 every 2 months. Most recently, IW 451 was updated on October 24, 2026 and Insulators Local 34 on October 10, 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.*