Millisecond precision for Timer, Stopwatch, and Clock. Add/subtract time with buttons, reuse recent timers, and get instant notifications when time's up.
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
Ratings & Reviews
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◆ MillisecondTimer Pro Now Available
• Ad banners have been removed. It's time to focus on your timer and time management!
• Quickly set up timers you've used before with Recent Timers!
◆ Millisecond Timer Updates
※ If the timer completion alert is delayed, go to iOS Settings → Notifications → Priority Notifications → MillisecondTimer turn off. The alert banner will appear instantly!
• Fixed an issue where the completion banner notification would not appear correctly after editing a Recent Timer.
We're committed to making this app even better!
Version 2.1.1
The developer, WONJI HA, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Identifiers
Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Identifiers
Usage Data
Privacy practices may vary based, for example, on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More
Supported Features
VoiceOver
Larger Text
Dark Interface
Differentiate Without Colour Alone
Sufficient Contrast
Information
Seller
WONJI HA
Size
31.2 MB
Category
Utilities
Compatibility
Requires iOS 15.6 or later.
iPhone Requires iOS 15.6 or later.
iPod touch Requires iOS 15.6 or later.
Mac Requires macOS 12.0.0 or later and a Mac with Apple M1 chip or later.