# Insulators 50 vs UA 669

The clearest difference is update cadence: Insulators 50 at weekly against UA 669's monthly. 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 50 ships an update weekly, UA 669 monthly. Both last shipped on October 14, 2026.

## The numbers

| Metric | Insulators 50 | UA 669 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (28 ratings)](https://appshunter.io/ios/app/ua-669/id6472152163/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | — | Free |
| Size | 157 MB | 119 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jerrod Borkey](https://appshunter.io/developer/1716036228) | [Local Union 669 Sprinkler Fitters](https://appshunter.io/developer/1716675618) |

## What reviewers say

### Insulators 50

[App page](https://appshunter.io/ios/app/insulators-50/id6471838482)

**Features:** macOS Compatibility

**In-app purchases:** none


### UA 669

[App page](https://appshunter.io/ios/app/ua-669/id6472152163)

Stay informed about your local union, including its history, mission, and upcoming events. Receive important announcements, political updates, and mental health resources directly on your device.

**Highlights:** Local union information, Announcements and events, Push notifications for updates, Mental health resources, Political initiative information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Insulators 50 free?

Insulators 50 is free to download, with no in-app purchases.

### Is UA 669 free?

UA 669 is free to download, with no in-app purchases.

### Do Insulators 50 or UA 669 have ads?

Neither Insulators 50 nor UA 669 shows ads.

### Which is updated more often, Insulators 50 or UA 669?

Insulators 50 ships an update weekly, and UA 669 monthly. Most recently, Insulators 50 was updated on October 14, 2026 and UA 669 on October 14, 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.*