Hacker Clock vs Caline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Caline
This calculator app allows users to save and refer to past calculation memos. It supports a wide range of functions, including trigonometric and logarithmic operations, and displays units like k, M, p, and % for better readability. It can also express values in decibels and hexadecimal format.
- Save and recall calculation memos
- Trigonometric and logarithmic functions
- Variable support
- Unit display (k, M, p, %)
- Decibel expression
- Hexadecimal conversion
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Calculation results can be saved, so you can refer to past calculation memos Addition, subtraction, multiplication, division, trigonometric functions, logarithms, variables, etc. can be used Readability is good because units such as k, M, p, and % can be used Can also be expressed in decibels, such as 6dB Can be written in hexadecimal, like $1A
Screenshots
Verdict
The clearest difference is review sentiment: Caline at 100% against Hacker Clock's 54%. Caline also leads on rating (5.0 vs 4.5) and update cadence (every 2 weeks vs every 15 months). Hacker Clock's advantage is ratings volume (41 vs 2) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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
Hacker Clock costs $1.99 and Caline $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Caline 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 2, 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 Caline's.
Hacker Clock ships an update every 15 months, Caline every 2 weeks. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.
| Parameter | Hacker Clock | Caline |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 4.5 (41 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 54.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 41 — better | 2 |
| Update frequency | Every 15 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Leszek Szary | Yuuichi Kuze |
Customer experience
Hacker Clock
Caline
In-app purchases
Hacker Clock
No in-app purchases
Caline
No in-app purchases
