Comparison

Hacker Clock vs Pcaller

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Hacker Clock

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
Read full description

Hacker Clock turns your iPhone into a truly unique clock displayed as animated hexadecimal code. The green hexadecimal values constantly move across the screen, making it look as if your phone is processing complex data. This application is perfect for computer geeks, hackers, and matrix fans. If you are using a binary clock, you can throw it away. Once you try this hexadecimal clock, you will never want to use any other. Summary: * A truly unique clock * Animated hexadecimal code * Three color variants: green, red, blue * Horizontal and vertical modes * 12- and 24-hour formats

About

Pcaller

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
Read full description

Make Anonymous Calls & Hide Your Number Effortlessly with Pcaller Want to hide your number and make calls anonymously? Take full control over your privacy with Pcaller - the powerful, easy-to-use dialer that lets you block your caller ID and make private calls with just a tap. No complicated settings, no need to manually add codes - just fast and anonymous calling whenever you want. Private Calling Made Simple Protect your privacy by automatically adding a custom or default prefix (such as #31#) to hide your number when you dial. Protect your identity and make anonymous calls with confidence - perfect for business, personal privacy, or when you just want to stay hidden. Quick Dial & Speed Dial Dial manually or choose contacts directly from your address book. Switch between normal calls and private, hidden-number calls instantly. Privacy is always within reach. Stealth Mode: One Tap Privacy No more fiddling with phone settings. Just tap to add your hidden number prefix and make your call invisible. Your number stays blocked, so you stay in control. Call History with Hidden Number Filter Keep track of all calls made with or without your number hidden. Pcaller shows your private call history, so you know exactly when and how you used your privacy features. Streamlined & Efficient Stop wasting time adding prefixes or changing settings manually. Pcaller automates the process so you can dial as a private number quickly and effortlessly. Download Pcaller now and enjoy full privacy on every call - anonymous calling has never been easier! Pcaller offers in-app purchases for full access and enhanced functionality. The app allows anonymous calls with a hidden prefix before dialing. Various mobile providers have different prefixes. Check with your cellular carrier for the private dialing prefix. Additional charges may apply. Note for iPad users: iPads cannot make calls directly. Calling features require a linked iPhone, and some features may be limited. Privacy policy: https://pcaller.netlify.app/privacypolicy Terms of use: https://pcaller.netlify.app/termsofuse

Screenshots

Hacker Clock2 screens
Pcaller4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard6 real differences · 4 level
Hacker Clock versus Pcaller: the parameters behind the verdict, then further details
ParameterHacker ClockPcaller
PriceFreeFree
Rating4.5 (42 ratings) — better4.1 (29 ratings)
Positive reviews53.8% of reviews — better44.4% of reviews
Number of ratings42 — better29
Update frequencyEvery 15 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size12 MB5 MB
Age rating4+17+
DeveloperLeszek SzaryOran Levi

Customer experience

Hacker Clock

All ratings41 ratings
Positive82.9%
Neutral9.8%
Negative7.3%
Written reviews26 reviews
Positive53.8%
Neutral11.5%
Negative34.6%

Pcaller

All ratings29 ratings
Positive72.4%
Neutral3.4%
Negative24.1%
Written reviews9 reviews
Positive44.4%
Neutral0.0%
Negative55.6%

In-app purchases

None

Hacker Clock

No in-app purchases

4 purchases

Pcaller

Subscriptions3
  • Premium - Monthly7 Days trial$0.991 Month
  • Premium - Half Yearly6 Months trial$4.996 Months
  • Premium - Yearly3 Days trial$5.991 Year
One-time1
  • Unlimited Lifetime Access$10.99

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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