Comparison

MillClock vs Split Flap

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

Split Flap

This utility app displays the time with an elegant split-flap design. It offers customizable themes, supports various time formats, and includes optional sound and seconds display.

Highlights
  • Split-flap time display
  • Customizable themes
  • 24-hour and 12-hour formats
  • Optional seconds display
  • Sound options
  • Open source
Features
Read full description

Elegantly show the time. Supports your device's locale - 24 hour formats and 12 hour formats Supports themes Can optionally show the seconds Has sound options Open source

Screenshots

MillClock4 screens
Split Flap2 screens

Verdict

The call

The clearest difference is price: MillClock at Free against Split Flap's $0.99. MillClock also leads on update cadence (every 6 weeks vs every 17 months) and iOS requirement (14.0 vs 26.0). On rating, ratings volume, ads and in-app purchases 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

MillClock is free to download; Split Flap costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for MillClock against 4.7 for Split Flap. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

UpkeepUpdate frequency

MillClock ships an update every 6 weeks, Split Flap every 17 months. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

Scorecard4 real differences · 6 level
MillClock versus Split Flap: the parameters behind the verdict, then further details
ParameterMillClockSplit Flap
PriceFree — better$0.99
Rating4.7 (3 ratings)4.7 (6 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings36 — better
Update frequencyEvery 6 weeks — betterEvery 17 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better26.0
Further details — not scored
Size123 MB1 MB
Age rating4+4+
DeveloperArtem TverdohlebZac Gorak

Customer experience

MillClock

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

Split Flap

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%

In-app purchases

None

MillClock

No in-app purchases

None

Split Flap

No in-app purchases

Questions

Is MillClock free?
MillClock is free to download, with no in-app purchases.
Is Split Flap free?
Split Flap costs $0.99, with no in-app purchases.
Which has better reviews, MillClock or Split Flap?
Split Flap is rated higher. MillClock averages 4.7 out of 5 from 3 ratings, while Split Flap averages 4.7 from 6 ratings.
Do MillClock or Split Flap have ads?
Neither MillClock nor Split Flap shows ads.
Which is updated more often, MillClock or Split Flap?
MillClock ships an update every 6 weeks, and Split Flap every 17 months. Most recently, MillClock was updated on September 18, 2026 and Split Flap on September 13, 2026.

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