Two Links Double Pendulum vs Magic Fluid Sand
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Magic Fluid Sand
Experience a unique blend of classic Tetris and 2048 gameplay with relaxing fluid sand simulations. Enjoy synthesized music and inspiring quotes for a calming and visually engaging experience.
- Fluid sand simulation
- Classic Tetris gameplay
- 2048 puzzle game
- Synthesized background music
- Inspiring life quotes
- Interactive sand control
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Natural rhythms soothe your mind. Enjoy stunning fluid sand effects with ever-changing visuals for total relaxation. Play classic puzzle games: 2048, Block Puzzle, Minesweeper, Snake and Number Sliding Puzzle. Random notes create unique melodies every time. Enjoy relaxing pure music, natural sounds and classical piano pieces. Toggle background music freely, tap and control flowing sand particles. Vivid visuals inspire your thoughts. Read wise quotes in your spare time and gain insights into life while having fun.
Screenshots
Verdict
The clearest difference is ads: Two Links Double Pendulum at none against Magic Fluid Sand's shown. Magic Fluid Sand's advantage is update cadence (monthly vs every 47 months) and iOS requirement (12 vs 18.2). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Two Links Double Pendulum ships an update every 47 months, Magic Fluid Sand monthly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.
| Parameter | Two Links Double Pendulum | Magic Fluid Sand |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 47 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 18.2 | 12 — better |
| Further details — not scored | ||
| Size | 281 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Eliott Radcliffe | 立辉 韩 |
In-app purchases
Two Links Double Pendulum
No in-app purchases
Magic Fluid Sand
No in-app purchases
Questions
Is Two Links Double Pendulum free?
Is Magic Fluid Sand free?
Do Two Links Double Pendulum or Magic Fluid Sand have ads?
Which is updated more often, Two Links Double Pendulum or Magic Fluid Sand?
Other comparisons
