Comparison

Flip Clock vs Fill

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

Head to head
About

Flip Clock

Features
Read full description

Your flip clock, reimagined. One screen. Three modes. Zero clutter. A large flip-digit clock that shows time like a retro split-flap display. Swipe left for Pomodoro timer, right for stopwatch. No menus, no tabs, no distractions. FREE FEATURES (forever): β€’ Full-screen flip clock with 12/24-hour display β€’ Optional seconds display β€” card or mini style β€’ Date and weekday at a glance β€’ Stopwatch with start/pause/reset β€’ Pomodoro timer with customizable duration β€’ 2 alarms β€’ 1 countdown event β€’ Monthly calendar view β€’ Cycle tracker with predictions β€’ Portrait and landscape support β€’ Screen always-on option β€’ English and Chinese PREMIUM (one-time, no subscription): β€’ Multiple color themes β€’ Flip animation styles and sound effects β€’ Custom app icons β€’ Unlimited alarms with repeat rules β€’ Unlimited countdown events with categories β€’ Calendar integration with alarms and countdowns β€’ Week view in calendar β€’ Cycle tracker Face ID lock, reminders, data export Most clock apps bury you in menus or lock features behind subscriptions. SimpleClock gives you the essentials free forever, with a single one-time purchase for power users. 100% offline. No account. No data collection. Your time. Your device. Simple.

About

Fill

Features
Read full description

Fill-Timer isn't just a countdown it makes time something you can actually see. Start a timer and watch the hourglass slowly fill up. Seasonal particles drift across your screen. When time's up, a gentle chime brings you back. Simple. Intentional. Calming. Timer β€’ Intuitive dial interface β€” spin to set your time in seconds β€’ Animated hourglass β€” sand grains fall and pile up as time passes β€’ Push notification when timer ends, even when the app is in the background β€’ Multiple alert sounds to choose from Seasonal Themes β€’ Spring: soft cherry blossom petals β€’ Summer: clear raindrops sliding down β€’ Autumn: drifting maple leaves and pumpkin season β€’ Winter: pure white snowflakes Premium Themes Unlock exclusive themes including Candy Cane, Soccer, Carnation, Colour Ball and more. Go ad-free and make Fill-Timer your own personal time space. Life Clock Enter your birthday and see how many seasons you have left. Not to create anxiety β€” but to remind you to savour them. Available in English, Traditional Chinese, Simplified Chinese, Japanese, Korean, French and Spanish.

Screenshots

Flip Clock4 screens
Fill4 screens

Verdict

The call

The clearest difference is update cadence: Fill at daily against Flip Clock's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Flip Clock sells 1 one-off in-app purchase and Fill sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flip Clock ships an update monthly, Fill daily. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

Scorecard1 real difference Β· 5 level
Flip Clock versus Fill: the parameters behind the verdict, then further details
ParameterFlip ClockFill
PriceFreeFree
Update frequencyMonthlyDaily β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.6 β€” better
Further details β€” not scored
Size3 MB26 MB
Age rating4+4+
Developer磊 刘Cheng Hung Lo

In-app purchases

1 purchases

Flip Clock

One-time1
  • SimpleClock Pro Edition$2.99
3 purchases

Fill

One-time3
  • Remove Ads$1.99
  • Premium Scenes$1.99
  • Bundle Package$2.99

Questions

Is Flip Clock free?
Flip Clock is free to download, with in-app purchases available.
Is Fill free?
Fill is free to download, with in-app purchases available.
Do Flip Clock or Fill have ads?
Neither Flip Clock nor Fill shows ads.
Which is updated more often, Flip Clock or Fill?
Flip Clock ships an update monthly, and Fill daily. Most recently, Flip Clock was updated on September 30, 2026 and Fill on October 11, 2026.

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