# Hacker Clock vs Metric Seconds

Hacker Clock and Metric Seconds both sit at 4.5 stars, but that hides the real split: 100% of Metric Seconds's written reviews are positive against 54% of Hacker Clock's. Metric Seconds also leads on monetization model (free vs paid) and update cadence (every 7 months vs every 15 months). Hacker Clock's advantage is iOS requirement (12.0 vs 14.1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for Hacker Clock against 4.5 for Metric Seconds. Both are backed by a comparable volume of ratings — 41 and 15 respectively. Written reviews are what separate them: 54% of Hacker Clock's written reviews are positive against 100% of Metric Seconds's.

Hacker Clock ships an update every 15 months, Metric Seconds every 7 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Hacker Clock | Metric Seconds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (41 ratings)](https://appshunter.io/ios/app/hacker-clock-green-matrix/id659883519/reviews) | [4.5 (15 ratings)](https://appshunter.io/ios/app/metric-seconds/id1257282334/reviews) |
| Number of ratings | **41** | 15 |
| Positive reviews | 53.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 12 MB | 2 MB |
| Requires iOS | **12.0** | 14.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leszek Szary](https://appshunter.io/developer/464282200) | [Tangozulu R&D](https://appshunter.io/developer/373001554) |

## 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


### Metric Seconds

[App page](https://appshunter.io/ios/app/metric-seconds/id1257282334)

This utility app simplifies time calculations by converting to and from metric units. It allows users to tell and measure time using seconds as the base unit, with multipliers like kilo, Mega, and Giga for larger durations. It offers a fun and practical way to approach time measurement, especially for scientific or engineering contexts.

**Highlights:** Convert time to and from metric units, Tell time in metric, Measure time in metric, Uses seconds as the base unit, Supports metric multipliers (kilo, Mega, Giga), UTC-based time with no time zones

**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 Metric Seconds free?

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

### Which has better reviews, Hacker Clock or Metric Seconds?

Hacker Clock and Metric Seconds are both rated 4.5 out of 5 on the App Store, from 41 and 15 ratings respectively.

### Do Hacker Clock or Metric Seconds have ads?

Neither Hacker Clock nor Metric Seconds shows ads.

### Which is updated more often, Hacker Clock or Metric Seconds?

Hacker Clock ships an update every 15 months, and Metric Seconds every 7 months. Most recently, Hacker Clock was updated on October 14, 2026 and Metric Seconds on September 30, 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.*