# SFClock vs Dual Flip Clock

The clearest difference is review sentiment: Dual Flip Clock at 100% against SFClock's 33%. Dual Flip Clock also leads on rating (5.0 vs 4.5) and update cadence (every 10 days vs every 5 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Dual Flip Clock holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 33% of SFClock's written reviews are positive against 100% of Dual Flip Clock's.

SFClock ships an update every 5 months, Dual Flip Clock every 10 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SFClock | Dual Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/sfclock/id1627863783/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dual-flip-clock/id6766014702/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 0 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Yafei Dong](https://appshunter.io/developer/1562436731) | [路 林](https://appshunter.io/developer/1896152952) |

## 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


### Dual Flip Clock

[App page](https://appshunter.io/ios/app/dual-flip-clock/id6766014702)

Transform an old phone into a stylish desktop clock with this app. Easily switch between time zones for different cities or schools, and enjoy automatic day and night modes for a comfortable viewing experience.

**Highlights:** Desktop clock conversion, Multiple city/school time zones, Vertical and horizontal layouts, Automatic Day/Night Modes, Customizable display

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SFClock free?

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

### Is Dual Flip Clock free?

Dual Flip Clock is free to download, with no in-app purchases.

### Which has better reviews, SFClock or Dual Flip Clock?

Dual Flip Clock is rated higher. SFClock averages 4.5 out of 5 from 4 ratings, while Dual Flip Clock averages 5.0 from 2 ratings.

### Do SFClock or Dual Flip Clock have ads?

Neither SFClock nor Dual Flip Clock shows ads.

### Which is updated more often, SFClock or Dual Flip Clock?

SFClock ships an update every 5 months, and Dual Flip Clock every 10 days. Most recently, SFClock was updated on November 3, 2026 and Dual Flip Clock on October 24, 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.*