# SFClock vs Custom Digital Clock

The clearest difference is rating: SFClock at 4.5 against Custom Digital Clock's 1.0. SFClock also leads on ads (none vs shown) and review sentiment (33% vs 0%). Custom Digital Clock's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

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. Written reviews point the same way: 33% of SFClock's written reviews are positive against 0% of Custom Digital Clock's.

SFClock ships an update every 5 months, Custom Digital Clock every 9 months. The most recent releases landed on September 14, 2026 and July 10, 2026 respectively.

## The numbers

| Metric | SFClock | Custom Digital 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/custom-digital-clock/id6476612907/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 9 months |
| Monetization | **Free** | Ad-supported |
| Size | 0 MB | 29 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yafei Dong](https://appshunter.io/developer/1562436731) | [tadashi endo](https://appshunter.io/developer/1605441215) |

## 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


### Custom Digital Clock

[App page](https://appshunter.io/ios/app/custom-digital-clock/id6476612907)

Display a stylish digital clock on your smartphone. Personalize the clock's appearance with custom coloring options to match your style.

**Highlights:** Stylish digital clock display, Customizable coloring, Smartphone integration, Personalized appearance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SFClock free?

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

### Is Custom Digital Clock free?

Custom Digital Clock is free to download, with no in-app purchases.

### Which has better reviews, SFClock or Custom Digital Clock?

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

### Do SFClock or Custom Digital Clock have ads?

Custom Digital Clock shows ads; SFClock does not.

### Which is updated more often, SFClock or Custom Digital Clock?

SFClock ships an update every 5 months, and Custom Digital Clock every 9 months. Most recently, SFClock was updated on September 14, 2026 and Custom Digital Clock on July 10, 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.*