# ZeroMOUSE™ vs OnlyCat

The clearest difference is rating: OnlyCat at 5.0 against ZeroMOUSE™'s 4.0. OnlyCat also leads on review sentiment (91% vs 50%). ZeroMOUSE™'s advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

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

OnlyCat holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of ZeroMOUSE™'s written reviews are positive against 91% of OnlyCat's.

ZeroMOUSE™ ships an update every 3 weeks, OnlyCat every 3 months. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ZeroMOUSE™ | OnlyCat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/zeromouse/id6448342475/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onlycat-smart-cat-flap/id6476429489/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | **90.9% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 70 MB | 61 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 12+ |
| Developer | [Mousebouncer Gmbh](https://appshunter.io/developer/1684455459) | [OnlyCat](https://appshunter.io/developer/1726680557) |

## What reviewers say

### 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


### OnlyCat

[App page](https://appshunter.io/ios/app/onlycat-smart-cat-flap/id6476429489)

This advanced cat flap uses AI to detect and prevent prey from entering your home. It offers selective access control for each pet, real-time notifications, and allows for timed curfews. Manage multiple cats and track their activities with personalized profiles and video highlights.

**Highlights:** AI prey detection, Selective access control, Smart notifications, Multi-cat management, Timed curfews, Activity tracking, Personalized cat profiles

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZeroMOUSE™ free?

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

### Is OnlyCat free?

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

### Which has better reviews, ZeroMOUSE™ or OnlyCat?

OnlyCat is rated higher. ZeroMOUSE™ averages 4.0 out of 5 from 2 ratings, while OnlyCat averages 5.0 from 1 ratings.

### Do ZeroMOUSE™ or OnlyCat have ads?

OnlyCat shows ads; ZeroMOUSE™ does not.

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

ZeroMOUSE™ ships an update every 3 weeks, and OnlyCat every 3 months. Most recently, ZeroMOUSE™ was updated on October 17, 2026 and OnlyCat on October 10, 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.*