# Hacker Clock vs Pcaller

The clearest difference is in-app purchases: Hacker Clock at none against Pcaller's 4. Hacker Clock also leads on rating (4.5 vs 4.1) and review sentiment (54% vs 44%). Pcaller's advantage is update cadence (every 5 weeks vs every 15 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Pcaller sells 4 in-app purchases, starting at $0.99 per month. Hacker Clock asks for nothing beyond the download.

Hacker Clock holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 42 and 29 respectively. Written reviews point the same way: 54% of Hacker Clock's written reviews are positive against 44% of Pcaller's.

Hacker Clock ships an update every 15 months, Pcaller every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Hacker Clock | Pcaller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (42 ratings)](https://appshunter.io/ios/app/hacker-clock-green-matrix/id659883519/reviews)** | [4.1 (29 ratings)](https://appshunter.io/ios/app/pcaller-discreet-caller-id/id6444242223/reviews) |
| Number of ratings | **42** | 29 |
| Positive reviews | **53.8% of reviews** | 44.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 5 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Leszek Szary](https://appshunter.io/developer/464282200) | [Oran Levi](https://appshunter.io/developer/1653309601) |

## 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


### Pcaller

[App page](https://appshunter.io/ios/app/pcaller-discreet-caller-id/id6444242223)

Make private calls and hide your number with this easy-to-use dialer. It automatically adds a prefix to mask your caller ID, offering quick dial and call history for your anonymous calls. Take control of your privacy on every call.

**Highlights:** Anonymous calling, Hide caller ID, Automatic prefix addition, Quick dial, Call history with hidden number filter, Stealth mode

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $0.99 | per month |
| Premium - Half Yearly | $4.99 | per 6 months |
| Premium - Yearly | $5.99 | per year |
| Unlimited Lifetime Access | $10.99 | one-time |


## Frequently asked questions

### Is Hacker Clock free?

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

### Is Pcaller free?

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

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

Hacker Clock is rated higher. Hacker Clock averages 4.5 out of 5 from 42 ratings, while Pcaller averages 4.1 from 29 ratings.

### Do Hacker Clock or Pcaller have ads?

Neither Hacker Clock nor Pcaller shows ads.

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

Hacker Clock ships an update every 15 months, and Pcaller every 5 weeks. Most recently, Hacker Clock was updated on November 3, 2026 and Pcaller on November 3, 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.*