# Hacker Clock vs MillClock

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.

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

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.

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.

## The numbers

| Metric | Hacker Clock | MillClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (41 ratings)](https://appshunter.io/ios/app/hacker-clock-green-matrix/id659883519/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/millclock/id1448108741/reviews)** |
| Number of ratings | **41** | 3 |
| Positive reviews | 53.8% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 12 MB | 123 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leszek Szary](https://appshunter.io/developer/464282200) | [Artem Tverdohleb](https://appshunter.io/developer/1448108650) |

## What reviewers say

### Hacker Clock

[App page](https://appshunter.io/ios/app/hacker-clock-green-matrix/id659883519)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MillClock

[App page](https://appshunter.io/ios/app/millclock/id1448108741)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*