# SFClock vs SeClock

The clearest difference is in-app purchases: SFClock at none against SeClock's 1. SFClock also leads on device support (3 vs 1). SeClock's advantage is update cadence (fortnightly vs every 5 months) and review sentiment (58% vs 33%). On price, ratings volume, ads and monetization model there is nothing between them.

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

SeClock holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 33% of SFClock's written reviews are positive against 58% of SeClock's.

SFClock ships an update every 5 months, SeClock fortnightly. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SFClock | SeClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/sfclock/id1627863783/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/seclock-seconds-clock-widget/id6445807658/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 33.3% of reviews | **57.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 0 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yafei Dong](https://appshunter.io/developer/1562436731) | [Kiichi Ito](https://appshunter.io/developer/1505735244) |

## 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


### SeClock

[App page](https://appshunter.io/ios/app/seclock-seconds-clock-widget/id6445807658)

Display the current second on your device's widget. This utility can also function as a standard digital clock. Note that widget accuracy may have a slight delay.

**Highlights:** Display seconds on widget, Use as a digital clock, Add to lock screen, Add to home screen

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock Widget Customization | $2.99 | one-time |


## Frequently asked questions

### Is SFClock free?

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

### Is SeClock free?

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

### Which has better reviews, SFClock or SeClock?

SeClock is rated higher. SFClock averages 4.5 out of 5 from 4 ratings, while SeClock averages 4.8 from 4 ratings.

### Do SFClock or SeClock have ads?

Neither SFClock nor SeClock shows ads.

### Which is updated more often, SFClock or SeClock?

SFClock ships an update every 5 months, and SeClock fortnightly. Most recently, SFClock was updated on October 2, 2026 and SeClock on October 12, 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.*