Colorgen vs SFClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Colorgen
Easily find HTML color codes by name or color. Get detailed color information including RGB, CMYK, and HSL values. Convert between decimal, binary, and hexadecimal formats.
- Search by HTML color code
- Search by color name
- View RGB, CMYK, HSL values
- Convert between decimal, binary, hexadecimal
- Web-safe color search
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In addition to searching for HTML color codes, you can also search by color name, web-safe color, and other categories. You can also check each color's RGB, CMYK, HSL, HSV, X11 name, and HTML color group. In addition, a function to convert between decimal, binary, and hexadecimal has been added.
SFClock
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.
- Flip clock display
- Calendar view
- 12/24 hour format
- Seconds display toggle
- Calendar month navigation
- Color themes
- Light/dark mode
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SFClock is a simple flip clock and calendar App. Flip clock and calendar are displayed in portrait, and only clock in landscape. You can change 12/24 hours and seconds display of clock. You also can move month in calendar with the arrows, and back to current month by tapping the month title. There are many color themes, and you can choose a light or dark one to use.
Screenshots
Verdict
The clearest difference is review sentiment: Colorgen at 100% against SFClock's 33%. Colorgen also leads on update cadence (every 2 months vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Colorgen ships an update every 2 months, SFClock every 5 months. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.
| Parameter | Colorgen | SFClock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (4 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 33.3% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac, Vision Pro — better | iPhone, iPad, Vision Pro |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazuhisa Asakawa | Yafei Dong |
Customer experience
Colorgen
SFClock
In-app purchases
Colorgen
No in-app purchases
SFClock
No in-app purchases
