# Union Authenticator vs CoolWorker

The clearest difference is price: Union Authenticator at Free against CoolWorker's $0.99. Union Authenticator also leads on device support (3 vs 1) and iOS requirement (12.0 vs 26.0). On ads and in-app purchases there is nothing between them.

Union Authenticator is free to download; CoolWorker costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Union Authenticator | CoolWorker |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 44 MB | 13 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Guangzhou JN UNION Technology Co.,Ltd](https://appshunter.io/developer/1377554402) | [fengren lin](https://appshunter.io/developer/1124084303) |

## What reviewers say

### Union Authenticator

[App page](https://appshunter.io/ios/app/union-authenticator/id1377554403)

**In-app purchases:** none


### CoolWorker

[App page](https://appshunter.io/ios/app/coolworker/id6758020689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Union Authenticator free?

Union Authenticator is free to download, with no in-app purchases.

### Is CoolWorker free?

CoolWorker costs $0.99, with no in-app purchases.

### Do Union Authenticator or CoolWorker have ads?

Neither Union Authenticator nor CoolWorker shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*