Comparison

SFClock vs ZenFlip

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Flip clock display
  • Calendar view
  • 12/24 hour format
  • Seconds display toggle
  • Calendar month navigation
  • Color themes
  • Light/dark mode
Features
Read full description

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.

About

ZenFlip

Features
Read full description

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

SFClock4 screens
ZenFlip4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

SFClock ships an update every 5 months, ZenFlip every 3 weeks. Both last shipped on November 3, 2026.

Scorecard2 real differences · 8 level
SFClock versus ZenFlip: the parameters behind the verdict, then further details
ParameterSFClockZenFlip
PriceFreeFree
Rating4.5 (4 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings4 — better—
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, Vision ProiPhone, iPad, iPod
Requires iOS17.016 — better
Further details — not scored
Size0 MB2 MB
Age rating4+4+
DeveloperYafei Dong成东 胡

In-app purchases

None

SFClock

No in-app purchases

1 purchases

ZenFlip

One-time1
  • Pro$3.99

Questions

Is SFClock free?
SFClock is free to download, with no in-app purchases.
Is ZenFlip free?
ZenFlip is free to download, with in-app purchases available.
Do SFClock or ZenFlip have ads?
Neither SFClock nor ZenFlip shows ads.
Which is updated more often, SFClock or ZenFlip?
SFClock ships an update every 5 months, and ZenFlip every 3 weeks. Most recently, SFClock was updated on November 3, 2026 and ZenFlip on November 3, 2026.

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