# Hacker Clock vs Corluma

The clearest difference is review sentiment: Corluma at 100% against Hacker Clock's 54%. Corluma also leads on monetization model (free vs paid) and rating (5.0 vs 4.5). Hacker Clock's advantage is ratings volume (41 vs 4) and iOS requirement (12.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

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

Corluma holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Hacker Clock has 41 ratings behind it against 4, 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 100% of Corluma's.

Hacker Clock ships an update every 15 months, Corluma every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Hacker Clock | Corluma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (41 ratings)](https://appshunter.io/ios/app/hacker-clock-green-matrix/id659883519/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/corluma/id1636211895/reviews)** |
| Number of ratings | **41** | 4 |
| Positive reviews | 53.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 12 MB | 31 MB |
| Requires iOS | **12.0** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Leszek Szary](https://appshunter.io/developer/464282200) | [Timothy Seemann](https://appshunter.io/developer/1636212137) |

## 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


### Corluma

[App page](https://appshunter.io/ios/app/corluma/id1636211895)

Manage all your smart lights from a single application. Adjust colors with intuitive tools, create dynamic effects, and group lights for simultaneous control. Save and recall favorite settings, add timeouts, and access device-specific features.

**Highlights:** Unified smart light control, Color wheels, swatches, and palettes, Dynamic effects and streams, Group light management, Save and recall favorite settings, Device-specific features, Local Wi-Fi communication

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hacker Clock free?

Hacker Clock is free to download, with no in-app purchases.

### Is Corluma free?

Corluma is free to download, with no in-app purchases.

### Which has better reviews, Hacker Clock or Corluma?

Corluma is rated higher. Hacker Clock averages 4.5 out of 5 from 41 ratings, while Corluma averages 5.0 from 4 ratings.

### Do Hacker Clock or Corluma have ads?

Neither Hacker Clock nor Corluma shows ads.

### Which is updated more often, Hacker Clock or Corluma?

Hacker Clock ships an update every 15 months, and Corluma every 3 weeks. Most recently, Hacker Clock was updated on October 14, 2026 and Corluma on October 7, 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.*