# HAT vs Weiser UNITE

The clearest difference is update cadence: HAT at every 4 weeks against Weiser UNITE's every 3 months. HAT also leads on iOS requirement (11.0 vs 15.0). 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.

HAT ships an update every 4 weeks, Weiser UNITE every 3 months. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | HAT | Weiser UNITE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Size | 55 MB | 155 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hikvision](https://appshunter.io/developer/1222251068) | [ASSA ABLOY AMERICAS RESIDENTIAL INC.](https://appshunter.io/developer/1779069863) |

## What reviewers say

### HAT

[App page](https://appshunter.io/ios/app/hat-adas/id1491303842)

**Features:** macOS Compatibility

**In-app purchases:** none


### Weiser UNITE

[App page](https://appshunter.io/ios/app/weiser-unite/id6738049820)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HAT free?

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

### Is Weiser UNITE free?

Weiser UNITE is free to download, with no in-app purchases.

### Do HAT or Weiser UNITE have ads?

Neither HAT nor Weiser UNITE shows ads.

### Which is updated more often, HAT or Weiser UNITE?

HAT ships an update every 4 weeks, and Weiser UNITE every 3 months. Most recently, HAT was updated on October 4, 2026 and Weiser UNITE on October 13, 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.*