# Nottwil vs ZeroMOUSE™

Nottwil and ZeroMOUSE™ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Nottwil ships an update monthly, ZeroMOUSE™ every 3 weeks. The most recent releases landed on September 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Nottwil | ZeroMOUSE™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/zeromouse/id6448342475/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 46 MB | 70 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gemeinde Nottwil](https://appshunter.io/developer/1640020095) | [Mousebouncer Gmbh](https://appshunter.io/developer/1684455459) |

## What reviewers say

### Nottwil

[App page](https://appshunter.io/ios/app/nottwil/id1640020093)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZeroMOUSE™

[App page](https://appshunter.io/ios/app/zeromouse/id6448342475)

This AI-powered add-on prevents your cat from bringing prey inside by blocking the RFID cat flap. It's a simple upgrade to your existing flap, avoiding the need for a new purchase. Enjoy a cleaner home without replacing your current cat door.

**Highlights:** AI-powered prey detection, Blocks RFID cat flap, Add-on for existing flaps, Prevents prey entry, Easy installation

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

**In-app purchases:** none


## Frequently asked questions

### Is Nottwil free?

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

### Is ZeroMOUSE™ free?

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

### Do Nottwil or ZeroMOUSE™ have ads?

Neither Nottwil nor ZeroMOUSE™ shows ads.

### Which is updated more often, Nottwil or ZeroMOUSE™?

Nottwil ships an update monthly, and ZeroMOUSE™ every 3 weeks. Most recently, Nottwil was updated on September 27, 2026 and ZeroMOUSE™ on October 17, 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.*