Comparison

Fullscreen Clock vs When

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

When

This app offers a minimalist flip clock experience with customizable widgets. It features a full-screen display with classic page-turning animations and adjustable brightness. Personalize your time display with options for seconds, date, and week.

Highlights
  • Full-screen classic flip animation
  • Minimalist design style
  • Customizable time display (seconds, date, week)
  • 12/24 hour mode switching
  • Adjustable screen brightness
  • Multiple widget options (Flip Clock, Digital Clock, Calendar, Progress Bar, Disc Clock)
Features
Read full description

It is a must-have personalized posing artifact for hipsters, a must-have tool for exam preparation and study, and hard work. Eye-catching digital digital watch display, convenient for your living room, any angle of the work desk to watch the time. Full screen flip, clock display more prominent, no matter where you put it, it is a beautiful scenery. Widgets: - Flip Clock Widget - Digital Clock Widget - Friday Calendar Widget - Progress Bar Widget - Disc Clock Widget Special Features. 1, full-screen classic page animation, minimalist design style 2、Free control of the display of time: seconds, date, week is free to control the display of hidden 3, 12 and 24 hours mode switching 4, left and right slide the clock screen, adjust the brightness of the screen

Screenshots

Fullscreen Clock4 screens
When4 screens

Verdict

The call

The clearest difference is in-app purchases: When at none against Fullscreen Clock's 1. When also leads on review sentiment (90% vs 76%) and iOS requirement (10.0 vs 15.0). Fullscreen Clock's advantage is ratings volume (2.2K vs 28). On price, rating, update cadence and ads 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. When asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Fullscreen Clock against 4.7 for When. That said, the two scores are not equally well evidenced: Fullscreen Clock has 2.2K ratings behind it against 28, so its average is the more settled of the two. Written reviews are what separate them: 76% of Fullscreen Clock's written reviews are positive against 90% of When's.

UpkeepUpdate frequency

Fullscreen Clock ships an update every 8 days, When weekly. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
Fullscreen Clock versus When: the parameters behind the verdict, then further details
ParameterFullscreen ClockWhen
PriceFreeFree
Rating4.7 (2.2K ratings)4.7 (28 ratings)
Positive reviews75.9% of reviews90.0% of reviews — better
Number of ratings2.2K — better28
Update frequencyEvery 8 daysWeekly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size18 MB73 MB
Age rating4+4+
DeveloperShenzhen Gude Aipu Technology Co., Ltd磊 岑

Customer experience

Fullscreen Clock

All ratings2,175 ratings
Positive93.3%
Neutral2.7%
Negative4.0%
Written reviews245 reviews
Positive75.9%
Neutral8.6%
Negative15.5%

When

All ratings28 ratings
Positive92.9%
Neutral7.1%
Negative0.0%
Written reviews20 reviews
Positive90.0%
Neutral5.0%
Negative5.0%

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

When

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Fullscreen Clock

One-time1
  • VIP$2.99
None

When

No in-app purchases

Questions

Is Fullscreen Clock free?
Fullscreen Clock is free to download, with in-app purchases available.
Is When free?
When is free to download, with no in-app purchases.
Which has better reviews, Fullscreen Clock or When?
Fullscreen Clock and When are both rated 4.7 out of 5 on the App Store, from 2.2K and 28 ratings respectively.
Do Fullscreen Clock or When have ads?
Both Fullscreen Clock and When show ads.
Which is updated more often, Fullscreen Clock or When?
Fullscreen Clock ships an update every 8 days, and When weekly. Most recently, Fullscreen Clock was updated on September 30, 2026 and When on October 1, 2026.

Other comparisons