Comparison

Fullscreen Clock vs Big Clock

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

Head to head
About

Fullscreen Clock

Transform your device into a stylish flip clock that doubles as a productivity tool. Enhance your workspace with aesthetic widgets and utilize the integrated focus timer for improved concentration during study or work sessions.

Highlights
  • Iconic flip clock animation
  • Deep focus timer (Pomodoro/custom)
  • Stunning home screen widgets
  • Elegant and minimalist interface
  • Extensive customization options
  • Versatile timers and stopwatch
  • Floating clock for iPadOS
Features
Read full description

It's not just a clock. It's a statement piece. Transform your device into a stunning Flip Clock, the perfect centerpiece for your desk setup. More than just aesthetics, it's a powerful tool designed to help you focus, study, and seize every second. BEAUTY MEETS PRODUCTIVITY We believe your most personal device deserves more than a boring clock. Fullscreen Clock combines minimalist design with powerful productivity features to create an experience that is both beautiful and functional. ICONIC FLIP CLOCK: Enjoy the satisfying, classic animation of a retro flip clock, reborn with a modern, clean design. It's the ultimate accessory for your Gong-stagram study sessions and aesthetic workspace photos. DEEP FOCUS TIMER: Crush your goals with our integrated focus timer. Use the Pomodoro Technique or set custom sessions to improve concentration during study, work, or meditation. STUNNING WIDGETS: Your clock shouldn't be trapped inside an app. Add our beautifully designed widgets to your Home Screen for an instant, stylish time check. FEATURES YOU'LL LOVE: Elegant & Minimalist Interface: A clean, distraction-free design that puts the focus on time. Extensive Customization: Personalize your clock with different themes, sizes, and even your own background photos. Versatile Timers & Stopwatch: From a simple countdown to a precision stopwatch, we have all your timing needs covered. Floating Clock (iPadOS): Keep track of time with a clock that floats above your other apps – perfect for multitasking.

About

Big Clock

This app displays the time edge-to-edge on iOS devices, offering enhanced readability with crisp fonts for advanced displays. Customize your clock face with bold fonts, choose time formats, and toggle seconds. It functions offline and prioritizes user data privacy.

Highlights
  • Edge-to-edge time display
  • Crisp font for XDR/Liquid Retina
  • Dark mode support
  • 12/24 hour format
  • Customizable clock face styling
  • Offline functionality
Read full description

Big Clock is designed specifically for iOS users. With an optimised layout for iOS devices, the time can be shown from edge to edge on the display for better readability and usability. For devices adopting XDR or Liquid Retina display technologies, a more crisp and clear font can be shown. FEATURES * Dark mode (night mode) is supported natively in app. The clock face can be viewed comfortably whenever it is in day time or in dark. * The clock can be displayed in either 12/24 time format. * Styling your own clock face with bold font, or to choose showing/hiding the seconds counter. * Timing and clock styling are made within the app. No network connection is required. For accurate time display, please make sure your phone’s clock is in-sync with the timezone that you’re in. * As no third-parties is involved within the process, all data are kept within the app. Made by PPES Developers & Contributors

Screenshots

Fullscreen Clock4 screens
Big Clock3 screens

Verdict

The call

The clearest difference is rating: Fullscreen Clock at 4.7 against Big Clock's 2.3. Fullscreen Clock also leads on update cadence (every 9 days vs every 31 months) and review sentiment (76% vs 50%). Big Clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, 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. Fullscreen Clock sells 1 one-off in-app purchase. Big Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fullscreen Clock holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: Fullscreen Clock has 2.2K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 76% of Fullscreen Clock's written reviews are positive against 50% of Big Clock's.

UpkeepUpdate frequency

Fullscreen Clock ships an update every 9 days, Big Clock every 31 months. The most recent releases landed on September 22, 2026 and June 1, 2026 respectively.

Scorecard7 real differences · 3 level
Fullscreen Clock versus Big Clock: the parameters behind the verdict, then further details
ParameterFullscreen ClockBig Clock
PriceFreeFree
Rating4.7 (2.2K ratings) — better2.3 (4 ratings)
Positive reviews75.8% of reviews — better50.0% of reviews
Number of ratings2.2K — better4
Update frequencyEvery 9 days — betterEvery 31 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size18 MB8 MB
Age rating4+4+
DeveloperShenzhen Gude Aipu Technology Co., LtdPhilip Tam

Customer experience

Fullscreen Clock

All ratings2,167 ratings
Positive93.4%
Neutral2.7%
Negative4.0%
Written reviews244 reviews
Positive75.8%
Neutral8.6%
Negative15.6%

Big Clock

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Fullscreen Clock

Reported bugs

4 issues
  • Widget doesn't adjust for DST
  • Clock resets when exiting app
  • Hangs up on some devices
  • Ads cover the clock

Requested features

5 requests
  • Add color customization
  • Integrate date display
  • Add 12-hour time format with AM/PM
  • Improve countdown timer functionality
  • Add stopwatch widget

Big Clock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Fullscreen Clock

One-time1
  • VIP$0.99
None

Big Clock

No in-app purchases

Questions

Is Fullscreen Clock free?
Fullscreen Clock is free to download, with in-app purchases available.
Is Big Clock free?
Big Clock is free to download, with no in-app purchases.
Which has better reviews, Fullscreen Clock or Big Clock?
Fullscreen Clock is rated higher. Fullscreen Clock averages 4.7 out of 5 from 2.2K ratings, while Big Clock averages 2.3 from 4 ratings.
Do Fullscreen Clock or Big Clock have ads?
Fullscreen Clock shows ads; Big Clock does not.
Which is updated more often, Fullscreen Clock or Big Clock?
Fullscreen Clock ships an update every 9 days, and Big Clock every 31 months. Most recently, Fullscreen Clock was updated on September 22, 2026 and Big Clock on June 1, 2026.

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