Particle Simulation Visualizer vs Touchlight
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
Particle Simulation Visualizer
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Explore our beautiful particle simulation. Just touch the screen and start a wonderful show of dancing particles. Adjust every settings, use our randomizer and make it 100% your own. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Touchlight
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Put your finger on the black screen. Rainbow smoke pours out from your fingertip. Hold longer and it grows thicker. Drag, and it becomes a comet trailing behind your finger. Let go, and it curls, drifts, and quietly disappears. No levels. No score. No way to fail. · Real fluid simulation â the smoke curls into vortices on its own · Fine-grained haptics â feel the smoke welling up under your finger · Play by touch â pitch follows position, pentatonic scale, always in tune · Double-tap for a surprise For when you're tired, restless, or can't sleep. Made for grown-ups and kids alike. Nothing to learn. FULL VERSION · ONE-TIME PURCHASE · 5 fluid materials: Neon, Aurora, Lava, Ink and Stardust, each with its own feel · Autoplay: set your phone down and watch the light flow on its own Rainbow Smoke is free, and you can preview Autoplay before buying. No ads, no subscription.
Screenshots
Verdict
The clearest difference is iOS requirement: Touchlight at 16.0 against Particle Simulation Visualizer's 18.0. 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. Particle Simulation Visualizer sells 2 in-app purchases, starting at $3.99 per 7 days and Touchlight sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Particle Simulation Visualizer ships an update monthly, Touchlight every 5 weeks. Both last shipped on October 31, 2026.
| Parameter | Particle Simulation Visualizer | Touchlight |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly â better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Mac â better | iPhone, iPad |
| Requires iOS | 18.0 | 16.0 â better |
| Further details â not scored | ||
| Size | 128 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Marvin Krueger | æ°ļ įžŠ |
In-app purchases
Particle Simulation Visualizer
- Particles PRO$3.997 Days
- Particles PRO3 Days trial$24.991 Year
Touchlight
- Full Version$0.99
Questions
Is Particle Simulation Visualizer free?
Is Touchlight free?
Do Particle Simulation Visualizer or Touchlight have ads?
Which is updated more often, Particle Simulation Visualizer or Touchlight?
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