SFClock vs ZenFlip
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
ZenFlip
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ZenFlip turns your iPhone or iPad into a full-screen flip clock. Place your device on a desk or bedside table to see the time at a glance. • Large digits with a smooth retro flip animation • Tap to show or hide seconds • Swipe to switch between light and dark themes • Swipe up from the bottom of the clock to open Pro New users can try ZenFlip free for 7 days. Then unlock it forever with a one-time purchase. Existing users keep full access. No account required. Privacy Policy: https://59ifx.cn/Privacy-Policy/ Support: hucdmail@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: SFClock at none against ZenFlip's 1. ZenFlip's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement 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. ZenFlip sells 1 one-off in-app purchase. SFClock asks for nothing beyond the download.
SFClock ships an update every 5 months, ZenFlip every 3 weeks. Both last shipped on November 3, 2026.
| Parameter | SFClock | ZenFlip |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 16 — better |
| Further details — not scored | ||
| Size | 0 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Yafei Dong | 成东 胡 |
In-app purchases
SFClock
No in-app purchases
ZenFlip
- Pro$3.99









