Comparison

Hacker Clock vs MillClock

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

Head to head
About

Hacker Clock

Transform your device into a unique clock displaying animated hexadecimal code. Watch green hexadecimal values flow across the screen, simulating complex data processing. Ideal for computer enthusiasts, hackers, and fans of futuristic aesthetics.

Highlights
  • Animated hexadecimal code display
  • Three color variants (green, red, blue)
  • Horizontal and vertical display modes
  • 12- and 24-hour format options
  • Unique clock for geeks and fans
Features
Read full description

Hacker Clock turns your iPhone into a truly unique clock displayed as animated hexadecimal code. The green hexadecimal values constantly move across the screen, making it look as if your phone is processing complex data. This application is perfect for computer geeks, hackers, and matrix fans. If you are using a binary clock, you can throw it away. Once you try this hexadecimal clock, you will never want to use any other. Summary: * A truly unique clock * Animated hexadecimal code * Three color variants: green, red, blue * Horizontal and vertical modes * 12- and 24-hour formats

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.

Screenshots

Hacker Clock2 screens
MillClock4 screens

Verdict

The call

The clearest difference is monetization model: MillClock at free against Hacker Clock's paid. MillClock also leads on update cadence (every 6 weeks vs every 15 months) and review sentiment (75% vs 54%). Hacker Clock's advantage is ratings volume (41 vs 3) and iOS requirement (12.0 vs 14.0). On price, rating, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

MillClock holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Hacker Clock has 41 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 54% of Hacker Clock's written reviews are positive against 75% of MillClock's.

UpkeepUpdate frequency

Hacker Clock ships an update every 15 months, MillClock every 6 weeks. The most recent releases landed on September 30, 2026 and September 18, 2026 respectively.

Scorecard5 real differences · 5 level
Hacker Clock versus MillClock: the parameters behind the verdict, then further details
ParameterHacker ClockMillClock
PriceFreeFree
Rating4.5 (41 ratings)4.7 (3 ratings) — better
Positive reviews53.8% of reviews75.0% of reviews — better
Number of ratings41 — better3
Update frequencyEvery 15 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size12 MB123 MB
Age rating4+4+
DeveloperLeszek SzaryArtem Tverdohleb

Customer experience

Hacker Clock

All ratings41 ratings
Positive82.9%
Neutral9.8%
Negative7.3%
Written reviews26 reviews
Positive53.8%
Neutral11.5%
Negative34.6%

MillClock

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

In-app purchases

None

Hacker Clock

No in-app purchases

None

MillClock

No in-app purchases

Questions

Is Hacker Clock free?
Hacker Clock is free to download, with no in-app purchases.
Is MillClock free?
MillClock is free to download, with no in-app purchases.
Which has better reviews, Hacker Clock or MillClock?
MillClock is rated higher. Hacker Clock averages 4.5 out of 5 from 41 ratings, while MillClock averages 4.7 from 3 ratings.
Do Hacker Clock or MillClock have ads?
Neither Hacker Clock nor MillClock shows ads.
Which is updated more often, Hacker Clock or MillClock?
Hacker Clock ships an update every 15 months, and MillClock every 6 weeks. Most recently, Hacker Clock was updated on September 30, 2026 and MillClock on September 18, 2026.

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