Comparison

OLED Clock vs Flip Clock

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

Head to head
About

OLED Clock

This app displays a dynamic clock designed to prevent OLED screen burn-in by constantly moving and changing colors. It offers customizable digital and analog views with various fonts, sizes, and animation speeds.

Highlights
  • OLED burn-in prevention
  • Animated clock movement
  • Color cycling
  • Digital and analog views
  • Customizable fonts and size
  • Adjustable animation speed
Features
Read full description

No burn-In! This clock is perfectly suited for the OLED display in iPhone X, because the clock won't stand still on the screen but moves around constantly using any available pixel of the screen over time. Also it smoothly changes color over the complete color spectrum, so that every sub pixel (red, green, blue) will be used evenly. This prevents the so called "burn-in effect" any OLED display shows, if certain pixels are switched on for a very long time. The clock not just works on iPhone X but on all iOS devices like iPhone, iPod Touch and iPad (iOS 9.3 and above). But there's more: - NEW: digital and analog representation of the clock. You choose! - choose between a huge number of nice looking fonts to display the actual time - adjust clocks size just by using the pinch gesture on main screen - use automatic color changes "color cycling" (recommended on iPhone x, can be switched off in settings) - adjust the clocks brightness by using scroll up and down gesture on the main screen - tap on the main screen to show tab bar at the bottom of the screen, here you will be able to switch between analog and digital view, call settings, help and about page - on settings page you can change font, color and animation speed as well as switch on/off seconds, blinking separators, 24h display, autosize and color cycling - all adjustments are permanent! OLED clock remembers them on the next time you use it! - use OLED clock in portrait or landscape mode. On digital mode, OLED clock remembers your preferred font size depending on device orientation - help page provides necessary information about usage - fully localized in english, german, hebrew, french and japanese (new!)

About

Flip Clock

This app offers a stylish digital flip clock with customizable themes and widgets. It includes alarm functionality with motivational messages, date display, and various time format options. Enhance your device's look with its elegant design and practical features.

Highlights
  • Standby and interactive widgets
  • Show seconds and date
  • Customizable themes and wallpapers
  • Alarm with motivational messages
  • 24hr/12hr time formats
  • Flashlight and screen brightness control
Features
Read full description

Elegant and Beautiful Flip Clock now not only in black and white but also with beautiful themes and much more. New Flip Clock includes features • standby and interactive widget. • Show Seconds. • Show Date and Calendar. • 24 hr or 12 hr Time Formats. • Black and White Theme. • Variety of Wallpapers and theme. • Digital Clock. • Digital Clock Customisation. • Control Screen Brightness. • Flash Torch. • Set Alarm. • Choose from different Alarm Bells. • Specify exact hour and minutes to wake you up. and much more. Alarm Clock that guarantee it will wake you up. Choose From wide varieties of Alarm Skin and Bells. It's not just Alarm, it will urge you to wake up with Motivation and Inspirational thoughts. Most Beautiful UI , New Flip Clock with detectable Time and Dates . Most outstanding digital clock design. Looks great and easily visible from any where in the room. New Flip animation display and many more new Features and Themes are coming soon. Download Now Flip Clock and Enjoy!

Screenshots

OLED Clock4 screens
Flip Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: OLED Clock at none against Flip Clock's 3. OLED Clock also leads on iOS requirement (12.0 vs 17.6). Flip Clock's advantage is rating (4.3 vs 3.9) and update cadence (every 4 days vs every 4 weeks). On price, review sentiment, 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

Both are free to download. Flip Clock sells 3 one-off in-app purchases. OLED Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flip Clock holds the better App Store score, 4.3 against 3.9. That said, the two scores are not equally well evidenced: Flip Clock has 490 ratings behind it against 15, so its average is the more settled of the two. Written reviews complicate that: 79% of OLED Clock's written reviews are positive against 71% of Flip Clock's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

OLED Clock ships an update every 4 weeks, Flip Clock every 4 days. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
OLED Clock versus Flip Clock: the parameters behind the verdict, then further details
ParameterOLED ClockFlip Clock
PriceFreeFree
Rating3.9 (15 ratings)4.3 (490 ratings) — better
Positive reviews78.6% of reviews — better70.9% of reviews
Number of ratings15490 — better
Update frequencyEvery 4 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple TViPhone, iPad, Apple TV, Apple Watch
Requires iOS12.0 — better17.6
Further details — not scored
Size10 MB84 MB
Age rating4+4+
DeveloperChristian MoellerAmit Verma

Customer experience

OLED Clock

All ratings15 ratings
Positive66.7%
Neutral13.3%
Negative20.0%
Written reviews28 reviews
Positive78.6%
Neutral7.1%
Negative14.3%

Flip Clock

All ratings488 ratings
Positive81.8%
Neutral6.6%
Negative11.7%
Written reviews251 reviews
Positive70.9%
Neutral12.7%
Negative16.3%

Bugs and requests

OLED Clock

Not enough reviews yet to summarise bugs or requests.

Flip Clock

Reported bugs

3 issues
  • Time display issues on widgets
  • Customization settings freezing
  • Compatibility problems on older devices

Requested features

4 requests
  • More free theme options
  • Calendar integration
  • Option to hide seconds
  • Improved widget sizing and placement

In-app purchases

None

OLED Clock

No in-app purchases

3 purchases

Flip Clock

One-time3
  • Flip Clock pro$0.99
  • Flip Clock Tv Premium$6.99
  • Flip Clock Premium$7.99

Questions

Is OLED Clock free?
OLED Clock is free to download, with no in-app purchases.
Is Flip Clock free?
Flip Clock is free to download, with in-app purchases available.
Which has better reviews, OLED Clock or Flip Clock?
Flip Clock is rated higher. OLED Clock averages 3.9 out of 5 from 15 ratings, while Flip Clock averages 4.3 from 490 ratings.
Do OLED Clock or Flip Clock have ads?
Neither OLED Clock nor Flip Clock shows ads.
Which is updated more often, OLED Clock or Flip Clock?
OLED Clock ships an update every 4 weeks, and Flip Clock every 4 days. Most recently, OLED Clock was updated on September 20, 2026 and Flip Clock on September 24, 2026.

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