Comparison

Stopwatch° vs MillisecondTimer

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

Head to head
About

Stopwatch°

This app provides precise timekeeping with multiple stopwatches for simultaneous activity tracking. It offers a distraction-free full-screen mode and allows data export for analysis. Enjoy a reliable, ad-free, and subscription-free timing experience.

Highlights
  • Multiple stopwatches
  • Simultaneous activity timing
  • Full-screen mode
  • Intuitive interface
  • CSV data export
  • Ad-free experience
Read full description

Stopwatch helps you time activities and record laps on iPhone and iPad. Use a single stopwatch or run several at once for sports, cooking, training, experiments, and everyday tasks. • Time multiple activities Run stopwatches independently or start and stop them together. • Keep your timers organized Name your stopwatches and group them into folders for different activities. • Record and compare laps Give laps descriptive names, review split and total times, and compare your fastest, slowest, and average laps. • Choose your view Switch between digital and analog displays, or use fullscreen mode for a larger clock. • Export your results Save stopwatch and lap data as CSV files to review in a spreadsheet or share with others. • Adjust the display Choose your preferred time precision and customize stopwatch controls to suit how you use the app. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://stopwatchapp.carrd.co/

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

Screenshots

Stopwatch°4 screens
MillisecondTimer4 screens

Verdict

The call

The clearest difference is in-app purchases: Stopwatch° at none against MillisecondTimer's 3. Stopwatch° also leads on ads (none vs shown) and ratings volume (286 vs 6). MillisecondTimer's advantage is rating (5.0 vs 4.8) and iOS requirement (15.6 vs 17.0). On price 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. Stopwatch° asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MillisecondTimer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Stopwatch° has 286 ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

Stopwatch° ships an update every 9 days, MillisecondTimer every 3 weeks. The most recent releases landed on September 19, 2026 and July 23, 2026 respectively.

Scorecard7 real differences · 3 level
Stopwatch° versus MillisecondTimer: the parameters behind the verdict, then further details
ParameterStopwatch°MillisecondTimer
PriceFreeFree
Rating4.8 (286 ratings)5.0 (6 ratings) — better
Positive reviews98.5% of reviews—
Number of ratings286 — better6
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.6 — better
Further details — not scored
Size23 MB30 MB
Age rating4+4+
DeveloperKai OelfkeWONJI HA

Customer experience

Stopwatch°

All ratings286 ratings
Positive95.1%
Neutral3.1%
Negative1.7%
Written reviews135 reviews
Positive98.5%
Neutral0.0%
Negative1.5%

MillisecondTimer

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

Bugs and requests

Stopwatch°

Reported bugs

1 issue
  • CSV export not working (produces empty email)

Requested features

14 requests
  • Periodically ask for rating after extended use
  • Add feature to sum time lapsed in folders
  • Add feature to show start and end time for each lap
  • Move reset or delete all buttons to less accessible locations
  • Make buttons larger for easier use while biking
Show 9 more
  • Make it float on the Lock Screen
  • Add dark mode option
  • Add option for different font colors for fastest/slowest laps in export
  • Add option to delete single laps by swiping left
  • Make delete confirmation optional
  • Full screen option
  • Make available for Apple Watch
  • Visibly running current lap time on Apple Watch
  • Rename folders

MillisecondTimer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Stopwatch°

No 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

Questions

Is Stopwatch° free?
Stopwatch° is free to download, with no in-app purchases.
Is MillisecondTimer free?
MillisecondTimer is free to download, with in-app purchases available.
Which has better reviews, Stopwatch° or MillisecondTimer?
MillisecondTimer is rated higher. Stopwatch° averages 4.8 out of 5 from 286 ratings, while MillisecondTimer averages 5.0 from 6 ratings.
Do Stopwatch° or MillisecondTimer have ads?
MillisecondTimer shows ads; Stopwatch° does not.
Which is updated more often, Stopwatch° or MillisecondTimer?
Stopwatch° ships an update every 9 days, and MillisecondTimer every 3 weeks. Most recently, Stopwatch° was updated on September 19, 2026 and MillisecondTimer on July 23, 2026.

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