Catronome vs NinjaTube
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Catronome
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.
- Cat voice metronome
- Unique click sound
- Musical instrument practice aid
- Pet entertainment
- iPhone 5+ support
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Catronome This App is a just metronome. The click sound is the voice of cat, it is the unique point. Cat keeps crying with tempo. It is fun for you to play the musical instrument with Catronome, and let your pet listen to this App. Enjoy it! ※iPhone 5 and later are supported.
NinjaTube
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NinjaTube is an app that lets you watch YouTube videos directly on your Apple Watch. It provides both iOS and watchOS apps for a seamless experience. [watchOS App] ･Play YouTube videos sent from the iOS app ･Standalone video selection and search on watchOS is not supported [iOS App] ･Send YouTube videos to the watchOS app (iPhone app only) ･Watch YouTube videos directly on your iPhone with the built-in browser ･Picture-in-Picture (PiP) playback supported ･Background playback supported ･Desktop site display available in video playback mode ･Browse websites other than YouTube from the address bar ･Bookmark feature ･Dark mode support
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Catronome | NinjaTube |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 12 MB | 15 MB |
| Age rating | 4+ | 17+ |
| Developer | Yasuhiro Takano | Shingo Ueda |
In-app purchases
Catronome
No in-app purchases
NinjaTube
No in-app purchases
