# Cat Alarm Clock vs When

The clearest difference is update cadence: When at weekly against Cat Alarm Clock's every 16 months. When also leads on review sentiment (90% vs 78%) and iOS requirement (10.0 vs 12.3). Cat Alarm Clock's advantage is ratings volume (139 vs 32). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Cat Alarm Clock against 4.7 for When. Both are backed by a comparable volume of ratings — 139 and 32 respectively. Written reviews are what separate them: 78% of Cat Alarm Clock's written reviews are positive against 90% of When's.

Cat Alarm Clock ships an update every 16 months, When weekly. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Cat Alarm Clock | When |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (139 ratings)](https://appshunter.io/ios/app/cat-alarm-clock-3/id766581921/reviews) | **[4.7 (32 ratings)](https://appshunter.io/ios/app/when-flip-clock/id1539325158/reviews)** |
| Number of ratings | **139** | 32 |
| Positive reviews | 77.9% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Weekly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 18 MB | 73 MB |
| Requires iOS | 12.3 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HANBUNCO, INC.](https://appshunter.io/developer/436677464) | [磊 岑](https://appshunter.io/developer/1102462338) |

## What reviewers say

### Cat Alarm Clock

[App page](https://appshunter.io/ios/app/cat-alarm-clock-3/id766581921)

This app offers a unique alarm clock experience with cat-themed sounds for waking up or falling asleep. Customize your alarms with various feline sounds or your own music, and enjoy features like snooze and a sleep timer.

**Highlights:** Cat-themed alarm sounds, Customizable music alarms, Snooze function (3-30 minutes), Fade-in alarm, Sleep timer, Vibration alarm

**Features:** Vision Pro support

**In-app purchases:** none


### When

[App page](https://appshunter.io/ios/app/when-flip-clock/id1539325158)

This app offers a minimalist flip clock experience with customizable widgets. It features a full-screen display with classic page-turning animations and adjustable brightness. Personalize your time display with options for seconds, date, and week.

**Highlights:** Full-screen classic flip animation, Minimalist design style, Customizable time display (seconds, date, week), 12/24 hour mode switching, Adjustable screen brightness, Multiple widget options (Flip Clock, Digital Clock, Calendar, Progress Bar, Disc Clock)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cat Alarm Clock free?

Cat Alarm Clock is free to download, with no in-app purchases.

### Is When free?

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

### Which has better reviews, Cat Alarm Clock or When?

When is rated higher. Cat Alarm Clock averages 4.7 out of 5 from 139 ratings, while When averages 4.7 from 32 ratings.

### Do Cat Alarm Clock or When have ads?

Both Cat Alarm Clock and When show ads.

### Which is updated more often, Cat Alarm Clock or When?

Cat Alarm Clock ships an update every 16 months, and When weekly. Most recently, Cat Alarm Clock was updated on October 23, 2026 and When on October 27, 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.*