# Catronome vs NinjaTube

The clearest difference is ads: NinjaTube at none against Catronome's shown. NinjaTube also leads on update cadence (every 5 days vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Catronome ships an update every 6 months, NinjaTube every 5 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Catronome | NinjaTube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/catronome/id1078043999/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 15 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Yasuhiro Takano](https://appshunter.io/developer/1072075743) | [Shingo Ueda](https://appshunter.io/developer/1808430024) |

## What reviewers say

### Catronome

[App page](https://appshunter.io/ios/app/catronome/id1078043999)

This application provides a metronome with a unique sound effect: a cat's meow. It's designed to make practicing musical instruments more enjoyable and can even be used to entertain pets. Compatible with iPhone 5 and later devices.

**Highlights:** Cat voice metronome, Unique click sound, Musical instrument practice aid, Pet entertainment, iPhone 5+ support

**In-app purchases:** none


### NinjaTube

[App page](https://appshunter.io/ios/app/ninjatube/id6753929196)

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

**In-app purchases:** none


## Frequently asked questions

### Is Catronome free?

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

### Is NinjaTube free?

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

### Do Catronome or NinjaTube have ads?

Catronome shows ads; NinjaTube does not.

### Which is updated more often, Catronome or NinjaTube?

Catronome ships an update every 6 months, and NinjaTube every 5 days. Most recently, Catronome was updated on October 9, 2026 and NinjaTube on October 14, 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.*