# ZeroMOUSE™ vs Audio Speed Modifier

The clearest difference is in-app purchases: ZeroMOUSE™ at none against Audio Speed Modifier's 1. Audio Speed Modifier's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Audio Speed Modifier sells 1 one-off in-app purchase. ZeroMOUSE™ asks for nothing beyond the download.

ZeroMOUSE™ ships an update every 3 weeks, Audio Speed Modifier every 10 days. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ZeroMOUSE™ | Audio Speed Modifier |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 70 MB | 58 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Mousebouncer Gmbh](https://appshunter.io/developer/1684455459) | [Na Liang](https://appshunter.io/developer/1810299415) |

## 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


### Audio Speed Modifier

[App page](https://appshunter.io/ios/app/audio-speed-modifier/id6746383239)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is ZeroMOUSE™ free?

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

### Is Audio Speed Modifier free?

Audio Speed Modifier is free to download, with in-app purchases available.

### Do ZeroMOUSE™ or Audio Speed Modifier have ads?

Neither ZeroMOUSE™ nor Audio Speed Modifier shows ads.

### Which is updated more often, ZeroMOUSE™ or Audio Speed Modifier?

ZeroMOUSE™ ships an update every 3 weeks, and Audio Speed Modifier every 10 days. Most recently, ZeroMOUSE™ was updated on October 1, 2026 and Audio Speed Modifier on September 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.*