Comparison

aClocks Premium Analog Clocks vs Millisecond Clock

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

Head to head
About

aClocks Premium Analog Clocks

This app allows you to display multiple analog clocks simultaneously, with customizable skins and locator buttons. It supports over 200 cities worldwide and offers notifications for daylight saving time and holidays.

Highlights
  • Run multiple analog clocks
  • Select from 22 clock skins
  • Highlight locator buttons
  • Covers over 200 cities globally
  • Daylight Saving Time notifications
  • Holiday notifications for specific regions
Features
Read full description

aClocks Premium is an advanced version of an existing iPhone app called aClocks. It allows the user to run multiple analog clocks at a time. It comes with several, additional features that aClocks doesn’t have. aClocks Premium lets you select a clock skin out of 22 styles. Some of them are quite pretty. Also, aClocks Premium lets you highlight locator buttons so that you can give some of the clocks special attention. - Features - 1. Run multiple analog clocks at a time. Scroll the middle view left to right or vice versa to locate a clock if you have two or more clocks. 2. Tap the name of a city, which is in fact the title of a push button (locator button), at the bottom view to quickly locate the corresponding clock. 3. Highlight the titles of locator buttons. 4. The app covers more than 200 cities around the globe. They are divided into 8 regions including Africa, Asia, Atlantic, Australia, Europe, North America, Pacific, South America. 5. The user can choose one of 23 area languages including English, Spanish, French, German, Italian, Portuguese, Danish, Dutch, Russian, Swedish, Greek, Polish, Japanese, Korean, Chinese (Simplified), Chinese (Traditional), Vietnamese, Hebrew, Arabic, Turkish, Indonesia, Malay, Thai. The area language is responsible for showing the names of 8 areas and all 200+ city names in the selected language. 6. If a clock is under the day light saving time, a rotating, graphic notation appears at the top-left corner. 7. If the corresponding city of the clock is Japanese and the time is under a Japanese national holiday, a graphic notation will appear at the top-right corner of the clock. 8. If a clock points to a U.S. city, which is under the federal holiday, then a graphic notation will appear at the bottom-left corner of the clock. 9. The app comes with 22 clock skins. Apply one of them to all clocks that are currently running. 10.The app prevents the user from installing multiple clocks from the same city. 11.There is no WiFi or WWAN required at any time to run the application. 12.Languages: English and Japanese only. 13.Application file size: 35.3 MB. - System requirements - 1. iOS 9.0 or above 2. iPhone 4S, iPhone 5, iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S Plus, iPhone 7, iPhone 7 Plus, iPhone SE, iPod Touch. - Limitations - 1. aClocks Premium allows the user to create as many as two clocks at a time if they choose to use it as freeware. 2. aClocks may be deprived of promised features if the device is jailbroken. 3. As you create more and more clocks, memory consumption will increase. For example, if you run 25 clocks at a time with iPhone 5, the app can require as much as 70 to 105 MB of memory with no known memory leak. 4. The user cannot apply a different clock skin to each clock that is currently running. The same style will apply to all clocks.

About

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.

Highlights
  • Millisecond precision time display
  • Accurate timekeeping for iPhone and iPad
  • Network delay measurement
  • Video streaming lag analysis
  • Free to download
Features
Read full description

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.

Screenshots

aClocks Premium Analog Clocks4 screens
Millisecond Clock4 screens

Verdict

The call

The clearest difference is ads: aClocks Premium Analog Clocks at none against Millisecond Clock's shown. aClocks Premium Analog Clocks also leads on update cadence (fortnightly vs every 6 months) and rating (5.0 vs 4.7). Millisecond Clock's advantage is ratings volume (131 vs 1). On price, in-app purchases, monetization model 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. aClocks Premium Analog Clocks sells 1 one-off in-app purchase and Millisecond Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

aClocks Premium Analog Clocks holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Millisecond Clock has 131 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

aClocks Premium Analog Clocks ships an update fortnightly, Millisecond Clock every 6 months. The most recent releases landed on September 26, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
aClocks Premium Analog Clocks versus Millisecond Clock: the parameters behind the verdict, then further details
ParameteraClocks Premium Analog ClocksMillisecond Clock
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (131 ratings)
Positive reviews—75.0% of reviews
Number of ratings1131 — better
Update frequencyFortnightly — betterEvery 6 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size20 MB4 MB
Age rating4+4+
DeveloperTomoyuki OkawaChia-Chun Hsieh

Customer experience

aClocks Premium Analog Clocks

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Millisecond Clock

All ratings131 ratings
Positive93.1%
Neutral2.3%
Negative4.6%
Written reviews12 reviews
Positive75.0%
Neutral16.7%
Negative8.3%

In-app purchases

1 purchases

aClocks Premium Analog Clocks

One-time1
  • Unlimited clocks$2.99
3 purchases

Millisecond Clock

One-time3
  • Remove Ads$0.99
  • Special Offer Package$2.99
  • Unlock Themes$3.99

Questions

Is aClocks Premium Analog Clocks free?
aClocks Premium Analog Clocks is free to download, with in-app purchases available.
Is Millisecond Clock free?
Millisecond Clock is free to download, with in-app purchases available.
Which has better reviews, aClocks Premium Analog Clocks or Millisecond Clock?
aClocks Premium Analog Clocks is rated higher. aClocks Premium Analog Clocks averages 5.0 out of 5 from 1 ratings, while Millisecond Clock averages 4.7 from 131 ratings.
Do aClocks Premium Analog Clocks or Millisecond Clock have ads?
Millisecond Clock shows ads; aClocks Premium Analog Clocks does not.
Which is updated more often, aClocks Premium Analog Clocks or Millisecond Clock?
aClocks Premium Analog Clocks ships an update fortnightly, and Millisecond Clock every 6 months. Most recently, aClocks Premium Analog Clocks was updated on September 26, 2026 and Millisecond Clock on October 24, 2026.

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