Comparison

MillisecondTimer vs Floating Clock

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

Head to head
About

MillisecondTimer

This app provides highly accurate timing tools, including a countdown timer, stopwatch, and clock, all with millisecond precision. It's designed for precise measurements in workouts, games, and everyday situations, offering background operation and seamless switching between apps.

Highlights
  • Millisecond precision timing
  • Countdown timer with custom intervals
  • Stopwatch for accurate interval recording
  • Real-time millisecond clock display
  • Background operation and notifications
  • Recent timers for quick reuse
  • Customizable 12/24 hour clock format
Features
Read full description

Millisecond Timer is an all‑in‑one app that lets you use a countdown timer, stopwatch, and clock with millisecond (0.001 second) precision. Millisecond Stopwatch records your time accurately down to the millisecond, and Millisecond Clock shows the current time with millisecond precision. When you first install the app, a simple tutorial appears automatically so you can learn how it works and start using it right away. Use Millisecond Timer and Millisecond Stopwatch in situations like these - Measuring workout intervals and exercise times that need accurate records (running, marathon training, etc.) - Everyday situations where you need a precise countdown - Events or games that require millisecond‑level countdowns - Timer challenge games with friends, such as “Who can stop closest to 2.785 seconds?” or for fair draws and random picks 【Millisecond Timer】 - Set timers in hours, minutes, seconds, and milliseconds. - Easily increase or decrease the time using the + and − buttons. - Press and hold the + or − button to quickly set the exact time you want. - Instantly reuse your recent timers from the Recent Timers list. - Tap the displayed time to type in a value faster than using buttons. - Get notified when the timer finishes, even if you’re using another app (background) or your device is locked. - If the timer is running and you switch to another app, it will keep counting and resume seamlessly when you return. 【Millisecond Stopwatch】 - Record times one by one with millisecond precision. 【Millisecond Clock】 - See the current time in real time, down to the millisecond. - Choose between 12‑hour and 24‑hour formats in Settings. - Enjoy a clean digital clock design with a digital‑style font. If you find a bug or have a feature request, go to Settings in the app and use “Send Bug Report & feedback” to contact the developer. 【Pro Version】 Pro is available as a monthly or yearly subscription, as well as a lifetime purchase. - Subscriptions are charged to your Apple ID. - You can manage or cancel your subscription at any time in your Apple Account settings. - If you do not cancel at least 24 hours before the next billing date, your subscription may renew automatically. - All subscription terms follow Apple’s App Store policies. • Terms of Use: https://comdori.tistory.com/179 • Privacy Policy: https://comdori.tistory.com/161

About

Floating Clock

This app provides precise server time, down to the millisecond, for critical events like ticketing and registration. It offers real-time viewing on your lock screen or as an overlay while using other apps, ensuring you never miss an opportunity. Customizable alerts help manage your time efficiently.

Highlights
  • Millisecond-precision server time
  • Lock screen and Dynamic Island display
  • Picture-in-Picture (PIP) mode overlay
  • Customizable audio alerts
  • Event-specific reminders
  • Real-time error correction
Features
Read full description

Keep a floating clock in view while you use other apps. See a website's server time as you browse a booking page, and chat with others while you wait. Keep a floating clock over other apps • Use Picture in Picture (PiP) to keep server time visible while you browse or book tickets in another app. • Choose how often the clock alerts you, with sound and color cues starting 10 seconds beforehand. Check server time and the time difference • When you open a site for the first time, the app measures its server time and shows how it differs from your iPhone's clock. • Time is displayed in hundredths of a second. You can also check the estimated measurement error. See the time on your Lock Screen and Dynamic Island • Use Live Activities to see server time, down to the second, on your Lock Screen. • On compatible iPhones, Dynamic Island shows the site's name and time. Chat while you wait • Share queue numbers and server status in the chat room for your site, and react to messages with emoji. • Join the Lounge to talk with other app users. Schedule reminders by server time • Set a reminder for the top of the next hour or midnight tonight. • Choose 5, 3, or 1 minute before the scheduled time, or at the time itself.

Screenshots

MillisecondTimer4 screens
Floating Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Floating Clock at none against MillisecondTimer's 3. On price, update cadence, 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. MillisecondTimer sells 3 in-app purchases, starting at $1.00 per month. Floating Clock asks for nothing beyond the download.

UpkeepUpdate frequency

MillisecondTimer ships an update every 3 weeks, Floating Clock every 2 weeks. The most recent releases landed on July 23, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 8 level
MillisecondTimer versus Floating Clock: the parameters behind the verdict, then further details
ParameterMillisecondTimerFloating Clock
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews—93.8% of reviews
Number of ratings6 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better16.4
Further details — not scored
Size30 MB13 MB
Age rating4+4+
DeveloperWONJI HAMoongil Jeon

Customer experience

MillisecondTimer

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Floating Clock

Written reviews16 reviews
Positive93.8%
Neutral0.0%
Negative6.3%

In-app purchases

3 purchases

MillisecondTimer

Subscriptions2
  • MillisecondTimer Pro Month Plan$1.001 Month
  • MillisecondTimer Pro Annual Plan$5.991 Year
One-time1
  • MillisecondTimer Pro Lifetime$34.99
None

Floating Clock

No in-app purchases

Questions

Is MillisecondTimer free?
MillisecondTimer is free to download, with in-app purchases available.
Is Floating Clock free?
Floating Clock is free to download, with no in-app purchases.
Do MillisecondTimer or Floating Clock have ads?
Both MillisecondTimer and Floating Clock show ads.
Which is updated more often, MillisecondTimer or Floating Clock?
MillisecondTimer ships an update every 3 weeks, and Floating Clock every 2 weeks. Most recently, MillisecondTimer was updated on July 23, 2026 and Floating Clock on September 18, 2026.

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