# Kitty Clock vs WoofCalc

The clearest difference is update cadence: Kitty Clock at fortnightly against WoofCalc's monthly. Kitty Clock also leads on iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Kitty Clock sells 1 one-off in-app purchase and WoofCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Kitty Clock ships an update fortnightly, WoofCalc monthly. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Kitty Clock | WoofCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/kitty-clock/id6451078399/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 54 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [TATSUYA ASANO](https://appshunter.io/developer/1877006861) |

## What reviewers say

### Kitty Clock

[App page](https://appshunter.io/ios/app/kitty-clock/id6451078399)

Customize your device's display with a charming clock featuring adorable kitten images. Personalize the time text, clock hands, and kitten placement, with options to adjust size, format, and even set custom time signals. Enjoy a visually appealing and functional timepiece.

**Highlights:** 20 different kitten pictures, Movable time text, analog clock, and kitten, Zoomable analog clock and kitten, Adjustable font size and display elements, Customizable time signal tones, Screen rotation support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kitty Clock with no ads | $1.99 | one-time |


### WoofCalc

[App page](https://appshunter.io/ios/app/woofcalc/id6759528925)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $1.99 | one-time |


## Frequently asked questions

### Is Kitty Clock free?

Kitty Clock is free to download, with in-app purchases available.

### Is WoofCalc free?

WoofCalc is free to download, with in-app purchases available.

### Do Kitty Clock or WoofCalc have ads?

Both Kitty Clock and WoofCalc show ads.

### Which is updated more often, Kitty Clock or WoofCalc?

Kitty Clock ships an update fortnightly, and WoofCalc monthly. Most recently, Kitty Clock was updated on October 18, 2026 and WoofCalc on October 28, 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.*