Comparison

MillClock vs Clock Seconds

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

Head to head
About

MillClock

Control the extensive features of your Nixie clock from your phone. Synchronize time with online references or your device, set alarms, and customize display effects. This app transforms your historical clock into a functional, modern decor piece for any space.

Highlights
  • Synchronize time with online references
  • Synchronize time with phone
  • Manual time correction
  • Alarm clock functionality
  • Hourly signal with customizable duration
  • Customizable display effects (smooth/abrupt transitions, colon blinks)
  • Backlight control with color slider
  • Automatic summer/winter time adjustment
Features
Read full description

Set the vast array of your clock’s functions via phone Set these functions and make the owner of a historical clock and a cutting edge functional decor for home and office. Synchronize time of your Nixie clock with the 4 time reference websites or Synchronize time of your Nixie clock with the time on your phone Correct time accuracy manually Alarm clock Date auto display Signal every hour. You can hear the strikes of every hour, shut them down at night, and set their duration. Smooth/Abrupt transition of digits – beautiful effects of time and date display. Blinks of Separation colons Turn on/off Backlight Slider for Backlight LED colours Auto switch to summer/winter time 12/24 hour format How to set the exact time on your Nixie clock via phone The main reason why Nixie clock owners connect their clocks to the Internet is to synchronize with the time reference websites. Or they synchronize the clock’s time with their phone’s time. The procedure is quite standard and simple. 1. Enter Wi-Fi mode on the clock. Push the right button (underlighting) on your Nixie clock and hold it for at least 4 seconds. Or you can push the grid key (#) on your Nixie clock Remote control. 2. Connect to Wi-Fi. When the LEDs go off download this application, enter the Wi-Fi point of access SSID and password in the application window. 3. Connect your phone to your Nixie clock. Enter the clock’s SSID and password. By default, the device name is "Millclock_V6" the password is "ML123456". Then, press the “Connect” button. If the connection is successful, the testing LED on the PCB will light steadily. Your Nixie clock receives exact time signals from the 4 websites that are filled in by default. The exact time will appear on your clock. 4. Or synchronize your Nixie clock with your phone’s time. After the Wi-Fi connection is established, press the “Sync time with phone” button in the application window. Your phone’s time will appear on your clock. What’s new? Setting your nixie clock via this version of application is very transparent and simple. It covers all main and superfluous tray of advanced settings. In case, you need help you are welcome to refer to our professional on-line support service.

About

Clock Seconds

A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.

Highlights
  • Largest digital clock display
  • Accurate atomic time comparison
  • Customizable colors and dimensions
  • 12/24 hour format options
  • Minimal battery consumption design
  • Portrait mode settings access
Features
Read full description

Largest and most accurate digital clock to fit your screen, with customizable colors, dimensions, 12/24 hour modes, atomic (compare to https://time.gov) , and more. To customize the clock use Portrait, tap the clock to show / hide settings. The app was designed to minimize battery consumption on your device. Compare accuracy to https://time.gov

Screenshots

MillClock4 screens
Clock Seconds4 screens

Verdict

The call

The clearest difference is in-app purchases: MillClock at none against Clock Seconds's 2. Clock Seconds's advantage is rating (5.0 vs 4.7). On price, ratings volume, update cadence and ads 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. Clock Seconds sells 2 one-off in-app purchases. MillClock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Clock Seconds holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

UpkeepUpdate frequency

MillClock ships an update every 6 weeks, Clock Seconds every 4 weeks. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
MillClock versus Clock Seconds: the parameters behind the verdict, then further details
ParameterMillClockClock Seconds
PriceFreeFree
Rating4.7 (3 ratings)5.0 (4 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings34 — better
Update frequencyEvery 6 weeksEvery 4 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size123 MB22 MB
Age rating4+4+
DeveloperArtem TverdohlebDavid Engler - Apps

Customer experience

MillClock

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Clock Seconds

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MillClock

No in-app purchases

2 purchases

Clock Seconds

One-time2
  • Remove Ads$2.99
  • Unlock$9.99

Questions

Is MillClock free?
MillClock is free to download, with no in-app purchases.
Is Clock Seconds free?
Clock Seconds is free to download, with in-app purchases available.
Which has better reviews, MillClock or Clock Seconds?
Clock Seconds is rated higher. MillClock averages 4.7 out of 5 from 3 ratings, while Clock Seconds averages 5.0 from 4 ratings.
Do MillClock or Clock Seconds have ads?
Neither MillClock nor Clock Seconds shows ads.
Which is updated more often, MillClock or Clock Seconds?
MillClock ships an update every 6 weeks, and Clock Seconds every 4 weeks. Most recently, MillClock was updated on October 6, 2026 and Clock Seconds on October 2, 2026.

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