Comparison

Flip Clock vs Round Millisecond Clock

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

Head to head
About

Flip Clock

This app offers a visually stunning and artistic way to display time on your device. It combines unique clock face designs with useful features like a Pomodoro timer and relaxing music. Customize the look with various themes, colors, and fonts to match your personal style.

Highlights
  • Artistic clock faces
  • Pomodoro timer
  • Stopwatch
  • Relaxing music
  • Customizable themes
  • Dark mode
Features
Read full description

A captivating and innovative clock app that revolutionizes the way time is displayed. Combining artistry with functionality, ClockByClocks offers a unique and mesmerizing clock experience on your device. With its visually stunning arrangement of numbers and dynamic movements, ClockByClocks transforms time into an artistic installation, making it a striking addition to your home or office. Customize your ClockClock with various themes, colors, fonts, and animations to match your style.  Key Features: - 3 different styles of clock faces - Pomodoro - Stopwatch - Relax, sleep and study music - Dark mode

About

Round Millisecond Clock

This app offers a precise real-time digital clock with a unique circular interface, displaying both seconds and milliseconds. Customize your view with options for date, day of the week, and 12/24-hour format.

Highlights
  • Millisecond precision display
  • Dual circle interface for seconds and milliseconds
  • Customizable display (milliseconds, seconds, date, day)
  • Multiple date formats
  • 12/24 hour support
  • Screen always on
Features
Read full description

A real-time digital clock app that displays both seconds and milliseconds with precision using a clean, circular dual-ring interface. [Key Features] - Millisecond Clock: Displays the current time with precision by supporting milliseconds. - Dual Circle Design: Display the flow of seconds and milliseconds simultaneously. - Full Customization: Toggle milliseconds, seconds, date, day of week - Multiple Date Formats: US, EU, ISO, and short formats - 12/24H Support: Includes AM/PM indicator [Additional Features] - Landscape & Portrait support - Screen always on - No permissions required

Screenshots

Flip Clock4 screens
Round Millisecond Clock4 screens

Verdict

The call

The clearest difference is review sentiment: Flip Clock at 100% against Round Millisecond Clock's 0%. Flip Clock also leads on rating (4.7 vs 1.0) and ads (none vs shown). Round Millisecond Clock's advantage is iOS requirement (13.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Flip Clock holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Flip Clock has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Flip Clock's written reviews are positive against 0% of Round Millisecond Clock's.

UpkeepUpdate frequency

Flip Clock ships an update every 2 months, Round Millisecond Clock every 4 months. The most recent releases landed on October 10, 2026 and September 25, 2026 respectively.

Scorecard7 real differences · 3 level
Flip Clock versus Round Millisecond Clock: the parameters behind the verdict, then further details
ParameterFlip ClockRound Millisecond Clock
PriceFreeFree
Rating4.7 (21 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings21 — better1
Update frequencyEvery 2 months — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size15 MB34 MB
Age rating4+4+
Developer裕涛 兰Seulki Eom

Customer experience

Flip Clock

All ratings21 ratings
Positive90.5%
Neutral4.8%
Negative4.8%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Round Millisecond Clock

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Flip Clock

No in-app purchases

None

Round Millisecond Clock

No in-app purchases

Questions

Is Flip Clock free?
Flip Clock is free to download, with no in-app purchases.
Is Round Millisecond Clock free?
Round Millisecond Clock is free to download, with no in-app purchases.
Which has better reviews, Flip Clock or Round Millisecond Clock?
Flip Clock is rated higher. Flip Clock averages 4.7 out of 5 from 21 ratings, while Round Millisecond Clock averages 1.0 from 1 ratings.
Do Flip Clock or Round Millisecond Clock have ads?
Round Millisecond Clock shows ads; Flip Clock does not.
Which is updated more often, Flip Clock or Round Millisecond Clock?
Flip Clock ships an update every 2 months, and Round Millisecond Clock every 4 months. Most recently, Flip Clock was updated on October 10, 2026 and Round Millisecond Clock on September 25, 2026.

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