# Hacker Clock vs Squelch

The clearest difference is in-app purchases: Hacker Clock at none against Squelch's 3. Hacker Clock also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). Squelch's advantage is update cadence (fortnightly vs every 15 months). On price and ads there is nothing between them.

Both are free to download. Squelch sells 3 in-app purchases, starting at $2.99 per month. Hacker Clock asks for nothing beyond the download.

Hacker Clock ships an update every 15 months, Squelch fortnightly. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Hacker Clock | Squelch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (41 ratings)](https://appshunter.io/ios/app/hacker-clock-green-matrix/id659883519/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 12 MB | 1 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Leszek Szary](https://appshunter.io/developer/464282200) | [Drew Davis](https://appshunter.io/developer/6778299195) |

## 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


### Squelch

[App page](https://appshunter.io/ios/app/squelch-spam-blocker/id6783207965)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Hacker Clock free?

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

### Is Squelch free?

Squelch is free to download, with in-app purchases available.

### Do Hacker Clock or Squelch have ads?

Neither Hacker Clock nor Squelch shows ads.

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

Hacker Clock ships an update every 15 months, and Squelch fortnightly. Most recently, Hacker Clock was updated on October 20, 2026 and Squelch on October 10, 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.*