True Binary Clock Free vs Roman Digital Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
True Binary Clock Free
This app displays time using binary code, offering both true binary and BCD modes. It includes an optional digital clock display and supports 12 or 24-hour formats with customizable colors. It's designed to be educational and visually appealing.
- True binary clock mode
- BCD binary clock mode
- Optional digital clock
- 12/24 hour time format
- Configurable colors
- Disable screen lock option
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Geek or no geek, everybody should own a binary clock, even if it's just for show. This clock gives you the best of both worlds, a binary clock and a digital clock in one, which makes it very easy to learn reading binary clocks. * True binary clock mode * BCD binary clock mode * Optional digital clock * 24 hr (military) time mode * 12 hr (am/pm) time mode * Configurable colors * Option to disable screen lock The clock supports 2 types of binary clocks, true binary in portrait orientation and BCD in landscape. For more information about binary clocks, see: http://en.wikipedia.org/wiki/Binary_clock Note, this is an ad supported lite version of True Binary Clock, if you like it, check out the full version.
Roman Digital Clock
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Imagine if they had digital clocks back when the Roman Empire was at its peak. What would they have looked like? This is our idea of what it would like, displaying the time including seconds, updating every second.
Screenshots
Verdict
The clearest difference is price: True Binary Clock Free at Free against Roman Digital Clock's $0.99. True Binary Clock Free also leads on iOS requirement (9.0 vs 18.6). Roman Digital Clock's advantage is chart position (#181 vs unranked) and update cadence (every 11 months vs every 24 months). On ads, in-app purchases 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
True Binary Clock Free is free to download; Roman Digital Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
True Binary Clock Free ships an update every 24 months, Roman Digital Clock every 11 months. Both last shipped on October 7, 2026.
| Parameter | True Binary Clock Free | Roman Digital Clock |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.9 (12 ratings) — better | — |
| Positive reviews | 78.3% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 24 months | Every 11 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | — | #181 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 9 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | C Loep | Anthony Caggiano |
In-app purchases
True Binary Clock Free
No in-app purchases
Roman Digital Clock
No in-app purchases
Questions
Is True Binary Clock Free free?
Is Roman Digital Clock free?
Do True Binary Clock Free or Roman Digital Clock have ads?
Which is updated more often, True Binary Clock Free or Roman Digital Clock?
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