# SFClock vs Kitty Clock

The clearest difference is rating: SFClock at 4.5 against Kitty Clock's 1.0. SFClock also leads on in-app purchases (none vs 1) and ads (none vs shown). Kitty Clock's advantage is update cadence (fortnightly vs every 5 months) and iOS requirement (12.0 vs 17.0). On price and device support there is nothing between them.

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

SFClock holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

SFClock ships an update every 5 months, Kitty Clock fortnightly. Both last shipped on October 18, 2026.

## The numbers

| Metric | SFClock | Kitty Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/sfclock/id1627863783/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/kitty-clock/id6451078399/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 0 MB | 46 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yafei Dong](https://appshunter.io/developer/1562436731) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### SFClock

[App page](https://appshunter.io/ios/app/sfclock/id1627863783)

This utility app displays a flip clock and calendar. It offers customizable clock settings like 12/24 hour format and seconds display. Users can navigate the calendar and choose from various light and dark color themes.

**Highlights:** Flip clock display, Calendar view, 12/24 hour format, Seconds display toggle, Calendar month navigation, Color themes, Light/dark mode

**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 SFClock free?

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

### Is Kitty Clock free?

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

### Which has better reviews, SFClock or Kitty Clock?

SFClock is rated higher. SFClock averages 4.5 out of 5 from 4 ratings, while Kitty Clock averages 1.0 from 1 ratings.

### Do SFClock or Kitty Clock have ads?

Kitty Clock shows ads; SFClock does not.

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

SFClock ships an update every 5 months, and Kitty Clock fortnightly. Most recently, SFClock was updated on October 18, 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.*