Millisecond Clock vs Flip Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Millisecond Clock
This app displays the most accurate time available, down to the millisecond. It's useful for measuring network delays or video streaming lag by comparing displayed time differences.
- Millisecond precision time display
- Accurate timekeeping for iPhone and iPad
- Network delay measurement
- Video streaming lag analysis
- Free to download
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Millisecond Clock shows the exact time down to 1/1000 of a second, accurate enough to measure real delay in cameras, video streams, and network connections. Point a camera at the screen and compare it to another display: the difference in milliseconds tells you exactly how much latency you are dealing with. Beyond precision, Millisecond Clock is a clock you can make your own. Every part of it, from color and font to position on screen, is yours to design. DESIGN YOUR CLOCK- 13 built-in color themes, or create unlimited custom themes with the full color picker - 30 fonts, from the classic digital LED look to elegant serif and rounded styles - Adjustable glow and shadow effects for extra depth - Drag the clock, date, and weekday anywhere on screen, and resize each one independently STAY ON TIME, YOUR WAY- 12-hour or 24-hour time, with an optional blinking colon - 9 date formats to match how you write dates - Show or hide the date and day of the week - Toggle the millisecond display on or off BUILT TO STAY ON SCREEN- Keeps your screen awake so the clock is always visible - A true universal app, designed for both iPhone and iPad Millisecond Clock is free to use, supported by ads. A one-time in-app purchase removes ads and unlocks every premium theme, no subscription required.
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.
- Artistic clock faces
- Pomodoro timer
- Stopwatch
- Relaxing music
- Customizable themes
- Dark mode
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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
Screenshots
Verdict
The clearest difference is in-app purchases: Flip Clock at none against Millisecond Clock's 3. Flip Clock also leads on ads (none vs shown) and review sentiment (100% vs 73%). Millisecond Clock's advantage is ratings volume (131 vs 21). On price, rating, 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
Both are free to download. Millisecond Clock sells 3 one-off in-app purchases. Flip Clock asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Millisecond Clock against 4.7 for Flip Clock. That said, the two scores are not equally well evidenced: Millisecond Clock has 131 ratings behind it against 21, so its average is the more settled of the two. Written reviews are what separate them: 73% of Millisecond Clock's written reviews are positive against 100% of Flip Clock's.
Millisecond Clock ships an update every 6 months, Flip Clock every 2 months. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.
| Parameter | Millisecond Clock | Flip Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (131 ratings) | 4.7 (21 ratings) |
| Positive reviews | 72.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 131 — better | 21 |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Chia-Chun Hsieh | 裕涛 兰 |
Customer experience
Millisecond Clock
Flip Clock
In-app purchases
Millisecond Clock
- Remove Ads$0.99
- Special Offer Package$2.99
- Unlock Themes$3.99
Flip Clock
No in-app purchases
Questions
Is Millisecond Clock free?
Is Flip Clock free?
Which has better reviews, Millisecond Clock or Flip Clock?
Do Millisecond Clock or Flip Clock have ads?
Which is updated more often, Millisecond Clock or Flip Clock?
Other comparisons
