# ImpressionApp vs Ultrasonic Pest Shield

The clearest difference is ads: ImpressionApp at none against Ultrasonic Pest Shield's shown. ImpressionApp also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price 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.

## The numbers

| Metric | ImpressionApp | Ultrasonic Pest Shield |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 25 MB | 24 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nubiaville Limited](https://appshunter.io/developer/1708206095) | [Thinking Machine](https://appshunter.io/developer/6790261012) |

## What reviewers say

### ImpressionApp

[App page](https://appshunter.io/ios/app/impressionapp/id6470453064)

Effortlessly manage smart lighting systems with intuitive controls for on/off and brightness. Seamlessly integrate lights by scanning QR codes and access internal services through a streamlined interface.

**Highlights:** Smart lighting management, QR code light integration, On/Off light control, Brightness adjustment, Smart dimming technology, Internal service access

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultrasonic Pest Shield

[App page](https://appshunter.io/ios/app/ultrasonic-pest-shield/id6794275095)

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

**In-app purchases:** none


## Frequently asked questions

### Is ImpressionApp free?

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

### Is Ultrasonic Pest Shield free?

Ultrasonic Pest Shield is free to download, with no in-app purchases.

### Do ImpressionApp or Ultrasonic Pest Shield have ads?

Ultrasonic Pest Shield shows ads; ImpressionApp does not.

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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.*