Comparison

Big Day vs Zen Flip Clock

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

Head to head
About

Big Day

Easily track important upcoming events with visually appealing widgets. This app offers a simple, beautiful way to count down to or count up from significant dates using your own photos and animations.

Highlights
  • Home screen widgets
  • Custom photo backgrounds
  • Animation effects
  • Event sharing
  • Notification alarms
  • Color customization
  • Supports up to 30 events
Features
Currently charting
Read full description

Are you looking for widgets to track your events? Here is the widget app to help you see your events on your Home Screen at a glance. Are you bored with the other countdown or day tracking apps which have only text, small images? We have a totally different and unique app with full graphics and animation effects. Or are you tired of too complicated user interfaces with other apps? We have an easy-to-use app focusing on the basics. Big Day is a day tracking app and widget which tells you the remaining days until or starts counting the days after the event with your own photos. It is the simplest and the most beautiful way to track your big days. When to use Big Day : - Your wedding day, valentine's day, the first date, birthday, anniversary, the birth of your children and baby, holiday, meeting, trip, party, vacation, discharge, exam, days of quitting smoking, graduation, halloween, new year, thanksgiving and all of the other very important days of your life. Features: - Widgets on your home screen. - No annoying ads banner. - Select your own pictures for the background. - Share your big day on Facebook, Instagram, Twitter or other social apps. - Set notification date and time to get an alarm. - Change color by double-tapping the counter frame. - Multiple dates and events up to 30. - Reorder dates and events. - View all events in a list. Contacts/Downloads : To contact us or download some sample photos on the screenshot, Please visit at http://bigdayapp.com/

About

Zen Flip Clock

This minimalist app offers a clear and simple way to track time with various clock styles and focus tools. It includes a Pomodoro timer, count-up timer, and hourly chimes to enhance productivity and routine building.

Highlights
  • Multiple clock themes (flip, digital, minimalist)
  • Fullscreen desk and nightstand clock modes
  • Built-in Pomodoro timer
  • Count up timer
  • Hourly chime and reminders
  • Focus statistics
  • Home and lock screen widgets
Features
Read full description

Zen Flip Clock A minimalist flip clock, desk clock, and focus timer designed to make time clear, simple, and easy to follow. Choose from multiple clock themes, including flip clock, digital clock, and minimalist styles. Use it as a fullscreen clock for studying, working, focusing, or as a clean nightstand clock. Open the app and start right away. Why Zen Flip Clock More than just a clock, Zen Flip Clock is a simple tool for focus and time management. From study sessions and focused work to everyday timing, it helps you stay aware of your time and make every minute count. Key Features Multiple Clock Themes Choose from flip clock, digital clock, and minimalist clock designs. Use your favorite theme as a desk clock, fullscreen clock, or nightstand clock for work, study, and everyday use. Pomodoro Timer Stay focused with the built-in Pomodoro timer. Perfect for studying, reading, working, and other tasks that require concentration. Count Up Timer Track elapsed time for studying, workouts, meditation, reading, and everyday activities. Hourly Chime Stay aware of time with hourly chimes and customizable reminders. Build better routines for work, study, and daily life. Focus Statistics Track your focus time and usage to better understand how you spend your time. Personalization Multiple Themes Switch between a variety of minimalist clock themes, from classic flip clock designs to clean digital styles. Smooth Animations Enjoy clean, natural, and fluid clock animations designed for a calm visual experience. Home & Lock Screen Widgets View the time at a glance with Home Screen and Lock Screen widgets without opening the app. Easy Controls Swipe left for Pomodoro Swipe right for Count Up Timer Tap to open Settings Whether you need a flip clock for your desk, a fullscreen digital clock for studying, a Pomodoro timer for focused work, or a simple nightstand clock, Zen Flip Clock keeps time clear and focus simple. Make time visible. Stay focused. Contact & Legal ▸ Bug Reports & Feedback: minimalsoftwarestudio@gmail.com ▸ Terms of Use: https://minimalsoftwarestudio.feishu.cn/docs/doccnK7LrYMwBFdr7SRl4qQv2lb

Screenshots

Big Day4 screens
Zen Flip Clock4 screens

Verdict

The call

The clearest difference is price: Zen Flip Clock at Free against Big Day's $0.99. Zen Flip Clock also leads on rating (4.7 vs 4.2) and update cadence (every 2 weeks vs every 6 months). Big Day's advantage is in-app purchases (none vs 3) and chart position (#33 vs unranked). On ads and device support 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

Zen Flip Clock is free to download; Big Day costs $0.99 up front. Zen Flip Clock sells 3 in-app purchases, starting at $0.99 per month. Big Day asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Zen Flip Clock holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Zen Flip Clock has 6.2K ratings behind it against 58, so its average is the more settled of the two. Written reviews point the same way: 62% of Big Day's written reviews are positive against 71% of Zen Flip Clock's.

UpkeepUpdate frequency

Big Day ships an update every 6 months, Zen Flip Clock every 2 weeks. Both last shipped on November 13, 2026.

Scorecard9 real differences · 2 level
Big Day versus Zen Flip Clock: the parameters behind the verdict, then further details
ParameterBig DayZen Flip Clock
Price$0.99Free — better
Rating4.2 (58 ratings)4.7 (6.2K ratings) — better
Positive reviews61.7% of reviews71.4% of reviews — better
Number of ratings586.2K — better
Update frequencyEvery 6 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#33 — better—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size42 MB106 MB
Age rating4+4+
DeveloperwhatisidChaoyang Minimal Software Studio

Customer experience

Big Day

All ratings58 ratings
Positive79.3%
Neutral5.2%
Negative15.5%
Written reviews373 reviews
Positive61.7%
Neutral15.5%
Negative22.8%

Zen Flip Clock

All ratings6,201 ratings
Positive91.3%
Neutral3.9%
Negative4.8%
Written reviews689 reviews
Positive71.4%
Neutral11.8%
Negative16.8%

User reviews

Big Day

From 58 App Store ratings

What we love

  • 👍 Great app
  • 🚀 Simple and effective
  • 💡 Ability to use own photos
  • 👍 Visually appealing
  • 👍 Useful for tracking events

Room to improve

  • 🐛 Crashes or freezes
  • 🔍 Limited customization options
  • 🔍 Outdated design
  • 🔍 Lacks features like sorting or reordering events
  • 🔍 Limited number of events allowed

Zen Flip Clock

From 6.2K App Store ratings

What we love

  • 🚀 Amazing app
  • 👍 Aesthetic and minimalistic
  • 👍 Useful for studying and productivity
  • 👍 Simple and easy to use
  • 👍 Great for a desk clock

Room to improve

  • 🐛 Time display issues
  • 🐛 Widget not working as expected
  • 🐛 Pomodoro timer resets when switching apps
  • 🔋 High battery consumption
  • 💰 Paid features required for full functionality

Bugs and requests

Big Day

Reported bugs

3 issues
  • Dates changing in the background without user interaction
  • Widget not updating automatically
  • Crashes when trying to add/edit events or change photos

Requested features

7 requests
  • Allow more than 20 events
  • Add option to count in weeks/months instead of just days
  • Implement iCloud sync
  • Add widget support
  • Allow reordering of events
Show 2 more
  • Improve photo handling and scaling
  • Add push notifications for upcoming events

Zen Flip Clock

Reported bugs

5 issues
  • Time display inaccuracies
  • Widget freezing and displaying incorrect time
  • Pomodoro timer not working as expected
  • Compatibility issues with latest iOS updates
  • App crashing or becoming unresponsive

Requested features

8 requests
  • Add alarm functionality
  • Implement live activities support
  • Allow custom pomodoro timer durations
  • Provide more theme/color options
  • Add world clock/timezone support
Show 3 more
  • Enable screen lock/password protection
  • Improve widget behavior and reliability
  • Introduce a timer mode (countdown)

In-app purchases

None

Big Day

No in-app purchases

3 purchases

Zen Flip Clock

Subscriptions2
  • Monthly Pro3 Days trial$0.991 Month
  • Yearly Pro7 Days trial$4.991 Year
One-time1
  • Lifetime Pro$9.99

Questions

Is Big Day free?
Big Day costs $0.99, with no in-app purchases.
Is Zen Flip Clock free?
Zen Flip Clock is free to download, with in-app purchases available.
Which has better reviews, Big Day or Zen Flip Clock?
Zen Flip Clock is rated higher. Big Day averages 4.2 out of 5 from 58 ratings, while Zen Flip Clock averages 4.7 from 6.2K ratings.
Do Big Day or Zen Flip Clock have ads?
Neither Big Day nor Zen Flip Clock shows ads.
Which is updated more often, Big Day or Zen Flip Clock?
Big Day ships an update every 6 months, and Zen Flip Clock every 2 weeks. Most recently, Big Day was updated on November 13, 2026 and Zen Flip Clock on November 13, 2026.

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