# Ironworkers 378 vs Insulators Local 34

The clearest difference is review sentiment: Insulators Local 34 at 100% against Ironworkers 378's 50%. Insulators Local 34 also leads on rating (4.6 vs 4.2) and update cadence (every 2 months vs every 4 months). On price, ratings volume, 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 34 holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 14 and 18 respectively. Written reviews point the same way: 50% of Ironworkers 378's written reviews are positive against 100% of Insulators Local 34's.

Ironworkers 378 ships an update every 4 months, Insulators Local 34 every 2 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Ironworkers 378 | Insulators Local 34 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (14 ratings)](https://appshunter.io/ios/app/ironworkers-378/id6443974679/reviews) | **[4.6 (18 ratings)](https://appshunter.io/ios/app/insulators-local-34/id6443974920/reviews)** |
| Number of ratings | 14 | **18** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 118 MB | 124 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [INTERNATIONAL ASSOCIATION OF BRIDGE, STRUCTURAL, ORNAMENTAL & REINFORCING IRON WORKERS (CA)](https://appshunter.io/developer/1590656882) | [HEAT AND FROST INSULATORS & ASBESTOS WORKERS LOCAL 34 BUILDING CORPORATION](https://appshunter.io/developer/1651137184) |

## What reviewers say

### Ironworkers 378

[App page](https://appshunter.io/ios/app/ironworkers-378/id6443974679)

This app serves as a resource for members of Ironworkers 378, providing access to union news, industry updates, and important contact information. It aims to educate and empower members by detailing available benefits and facilitating communication within the union.

**Highlights:** General news and updates, Industry and contract specific information, Call board integration, Contact information, Report violations, Political action and organizing tools

**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 Ironworkers 378 free?

Ironworkers 378 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, Ironworkers 378 or Insulators Local 34?

Insulators Local 34 is rated higher. Ironworkers 378 averages 4.2 out of 5 from 14 ratings, while Insulators Local 34 averages 4.6 from 18 ratings.

### Do Ironworkers 378 or Insulators Local 34 have ads?

Neither Ironworkers 378 nor Insulators Local 34 shows ads.

### Which is updated more often, Ironworkers 378 or Insulators Local 34?

Ironworkers 378 ships an update every 4 months, and Insulators Local 34 every 2 months. Most recently, Ironworkers 378 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.*