Black Clock vs Binary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Black Clock
A straightforward analog clock application offering a clean and simple design. It displays time with classic hands on a dial, providing an uncluttered visual experience for users who prefer traditional timekeeping.
- Simple design
- Clean interface
- Analog display
- Classic clock hands
Read full descriptionHide full description
- simple, clean, analog clock
Binary
This utility displays time using binary code represented by LED-style buttons. It offers customizable display modes, an alarm, and a countdown timer, making it educational for learning binary counting.
- Binary time display
- 24 or 12 hour mode
- Alarm clock functionality
- Countdown timer
- Customizable button colors
- Optional sound alerts
Read full descriptionHide full description
Display time using LED-type buttons that correspond to binary values for the hours, minutes, and seconds. Educational for learning binary counting. Options: * 24 or 12 hour mode * Alarm Clock * Countdown Timer mode * Optional "beep" sound * Select a variety of colors for the buttons.
Screenshots
Verdict
The clearest difference is price: Binary at Free against Black Clock's $4.99. On review sentiment, update cadence, ads and in-app purchases 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
Binary is free to download; Black Clock costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Black Clock ships an update every 9 months, Binary every 13 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Black Clock | Binary |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 3.7 (3 ratings) — better |
| Positive reviews | 57.1% of reviews — better | 50.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 9 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 0 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | MacMedia | Wyllys Ingersoll |
Customer experience
Black Clock
Binary
In-app purchases
Black Clock
No in-app purchases
Binary
No in-app purchases









