Cyclotron vs Dot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cyclotron
Interact with a dynamic particle system by touching the screen. Use multiple fingers to alter particle behavior for a visually stimulating experience. Ideal for entertainment and keeping children engaged.
- Interactive particle simulation
- Multi-touch particle behavior
- Visually stimulating
- Engaging for kids
- Time-killing entertainment
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Cyclotron is a fun and satisfying particle app. Touch the screen and the particles go wild. Using multiple fingers changes the way the particles behave. Great to mess with when you're bored and have some time to kill, need visual stimulation or want to keep the kids busy.
Dot
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Dot-Physics is an interactive particle sandbox where tiny glowing dots follow simple rules and grow into surprising patterns. Choose a preset world, create your own rules, or draw particles directly onto the screen. Change how colours attract, repel, chase, cluster, and spread, then watch the world come alive. Features: • Real-time particle worlds with colourful motion • Creative Mode for custom attraction and repulsion rules • Draw Mode for painting new particles into the simulation • Touch interaction for attracting, repelling, stirring, and dropping dots • Adjustable dot count, speed, damping, radius, and point size • Relaxing ambient background music • Presets for quick experiments and beautiful patterns Dot-Physics is part visual toy, part creative sandbox, and part simple science experiment. There are no scores, timers, or pressure. Just start a world, interact with it, and see what emerges.
Screenshots
Verdict
The clearest difference is price: Dot at Free against Cyclotron's $1.99. Cyclotron's advantage is iOS requirement (8.1 vs 15.1). 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
Dot is free to download; Cyclotron costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Cyclotron | Dot |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.6 (153 ratings) — better | — |
| Positive reviews | 63.2% of reviews | — |
| Number of ratings | 153 — better | — |
| Update frequency | Every 16 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.1 — better | 15.1 |
| Further details — not scored | ||
| Size | 6 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | PDJ Apps | EOIN J TOLSTER |
Bugs and requests
Cyclotron
Reported bugs
3 issues- Compatibility issues on older devices
- Inconsistent performance after updates
- Delayed or unresponsive touch inputs
Requested features
5 requests- More customization options
- Additional visual modes or effects
- Screenshot/photo capture capability
- Ability to change movement speed
- Integration with music playback
Dot
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cyclotron
No in-app purchases
Dot
No in-app purchases









