# Insulators Local 1 vs Ironworkers 580 MAP

The clearest difference is update cadence: Insulators Local 1 at every 3 months against Ironworkers 580 MAP's every 6 months. On price, ads, in-app purchases and device support 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 1 ships an update every 3 months, Ironworkers 580 MAP every 6 months. The most recent releases landed on September 16, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Insulators Local 1 | Ironworkers 580 MAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/insulators-local-1/id1594054033/reviews)** | — |
| Number of ratings | **27** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 118 MB | 118 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Asbestos Workers Local 1 Building Corporation](https://appshunter.io/developer/1594054035) | [INTERNATIONAL ASSOCIATION OF BRIDGE IRONWORKERS LOCAL 417](https://appshunter.io/developer/1648074315) |

## What reviewers say

### Insulators Local 1

[App page](https://appshunter.io/ios/app/insulators-local-1/id1594054033)

Provides convenient access to essential information for members of Local 1. Stay updated with important news and resources directly from your device.

**Highlights:** Member information access, Quick resource retrieval, Local 1 updates, Useful information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Ironworkers 580 MAP

[App page](https://appshunter.io/ios/app/ironworkers-580-map/id6745402084)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Insulators Local 1 free?

Insulators Local 1 is free to download, with no in-app purchases.

### Is Ironworkers 580 MAP free?

Ironworkers 580 MAP is free to download, with no in-app purchases.

### Do Insulators Local 1 or Ironworkers 580 MAP have ads?

Neither Insulators Local 1 nor Ironworkers 580 MAP shows ads.

### Which is updated more often, Insulators Local 1 or Ironworkers 580 MAP?

Insulators Local 1 ships an update every 3 months, and Ironworkers 580 MAP every 6 months. Most recently, Insulators Local 1 was updated on September 16, 2026 and Ironworkers 580 MAP on September 21, 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.*