# Color gauge vs SFClock

The clearest difference is update cadence: Color gauge at every 3 weeks against SFClock's every 5 months. Color gauge also leads on iOS requirement (12.1 vs 17.0). On price, ads, 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.

Color gauge ships an update every 3 weeks, SFClock every 5 months. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Color gauge | SFClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/sfclock/id1627863783/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | — | Free |
| Size | 149 MB | 0 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [SCALAR CORP.](https://appshunter.io/developer/374875261) | [Yafei Dong](https://appshunter.io/developer/1562436731) |

## What reviewers say

### Color gauge

[App page](https://appshunter.io/ios/app/color-gauge/id1608726190)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Color gauge free?

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

### Is SFClock free?

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

### Do Color gauge or SFClock have ads?

Neither Color gauge nor SFClock shows ads.

### Which is updated more often, Color gauge or SFClock?

Color gauge ships an update every 3 weeks, and SFClock every 5 months. Most recently, Color gauge was updated on October 25, 2026 and SFClock 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.*