True Binary Clock Free vs Two Links Double Pendulum
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.
Two Links Double Pendulum
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Two Links brings one of physics' most beautiful chaotic systems to life. Watch a double pendulum swing, twist, and spiral in real-time 3D — then place it on your floor in Augmented Reality and walk around it. Features • Real-time double pendulum physics (RK4 integration) • AR mode — anchor the pendulum on any flat surface • Orbit the 3D scene freely or let it run hands-free • Adjust link length, pivot position, density, and color • Particle trail from the second link tip • Night sky environment with the Moon and Earth • Pause, shuffle, and watch the chaos reset
Screenshots
Verdict
The clearest difference is iOS requirement: True Binary Clock Free at 9.0 against Two Links Double Pendulum's 18.2. 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, Two Links Double Pendulum every 47 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | True Binary Clock Free | Two Links Double Pendulum |
|---|---|---|
| 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 — better | Every 47 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 9 MB | 281 MB |
| Age rating | 4+ | 4+ |
| Developer | C Loep | Eliott Radcliffe |
In-app purchases
True Binary Clock Free
No in-app purchases
Two Links Double Pendulum
No in-app purchases
Questions
Is True Binary Clock Free free?
Is Two Links Double Pendulum free?
Do True Binary Clock Free or Two Links Double Pendulum have ads?
Which is updated more often, True Binary Clock Free or Two Links Double Pendulum?
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