# SkyDoorPhone vs Kitty Clock

The clearest difference is in-app purchases: SkyDoorPhone at none against Kitty Clock's 1. SkyDoorPhone also leads on ads (none vs shown). Kitty Clock's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Kitty Clock sells 1 one-off in-app purchase. SkyDoorPhone asks for nothing beyond the download.

SkyDoorPhone ships an update every 3 weeks, Kitty Clock fortnightly. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SkyDoorPhone | Kitty Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/kitty-clock/id6451078399/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 46 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GINGER DESIGN STUDIO, K.K.](https://appshunter.io/developer/1641225823) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### SkyDoorPhone

[App page](https://appshunter.io/ios/app/skydoorphone/id1669411822)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SkyDoorPhone free?

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

### Is Kitty Clock free?

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

### Do SkyDoorPhone or Kitty Clock have ads?

Kitty Clock shows ads; SkyDoorPhone does not.

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

SkyDoorPhone ships an update every 3 weeks, and Kitty Clock fortnightly. Most recently, SkyDoorPhone was updated on October 27, 2026 and Kitty Clock on October 18, 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.*