True Binary Clock Free vs Train 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.
Train Clock
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This is an app that helps you learn how to read a clock. The minute hand is a Shinkansen, the hour hand is a conventional train, and the second hand is a steam locomotive. The trains are displayed randomly. When you tap the Shinkansen icon at the bottom of the screen, the Shinkansen used as the minute hand changes to another Shinkansen. When you tap the conventional train icon, the train used as the hour hand transforms into another train. At the top of the screen, trains stop at a station at random. Every two minutes, a train departs.
Screenshots
Verdict
The clearest difference is iOS requirement: True Binary Clock Free at 9.0 against Train Clock's 13.0. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
True Binary Clock Free ships an update every 24 months, Train Clock every 23 months. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.
| Parameter | True Binary Clock Free | Train Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (12 ratings) — better | — |
| Positive reviews | 78.3% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 24 months | Every 23 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 9 MB | 143 MB |
| Age rating | 4+ | 4+ |
| Developer | C Loep | hiroyuki uchida |
In-app purchases
True Binary Clock Free
No in-app purchases
Train Clock
No in-app purchases
Questions
Is True Binary Clock Free free?
Is Train Clock free?
Do True Binary Clock Free or Train Clock have ads?
Which is updated more often, True Binary Clock Free or Train Clock?
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