Comparison

Atomus 3D vs Fluids & Particle Simulation

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Atomus 3D

This interactive visualizer offers a dynamic and artistic experience. Control a universe with multi-touch gestures, customize particle effects, and enjoy vibrant color modes. It's designed to inspire creativity and provide a visually stunning escape.

Highlights
  • Multi-touch display
  • Customizable particle effects
  • Dynamic 3D visuals
  • Multiple color modes
  • High frame rate performance
Features
Read full description

# ATOMUS 3D — A Living 3D Particle Universe in Your Hands Touch space. Shape light. Watch depth come alive. ATOMUS 3D transforms your screen into a living three-dimensional particle universe where thousands of particles move through space, forming luminous structures that feel alive, immersive, and endlessly satisfying. Every touch creates evolving depth, floating motion, and hypnotic visual patterns that shift like living sculpture beneath your fingertips. Designed for visual relaxation, creative focus, quiet exploration, and sensory immersion, ATOMUS 3D offers a unique experience between digital art and meditation. ## Why users love ATOMUS 3D • Immersive 3D particle interaction • Floating depth and evolving motion • Ideal for visual relaxation and creative focus • A hypnotic experience that always feels new ## Inspired by Living Forms ATOMUS 3D creates structures inspired by: • galaxies • auroras • waves • spirals • atomic forms • luminous energy ## Real-Time Experience • Smooth 60 FPS rendering • Multi-touch interaction • Adjustable particle size and movement • Rich spatial depth ## A Different Kind of Calm ATOMUS 3D is not simply something to watch — it is something to slowly explore, shape, and experience. ## Support If you have ideas, questions, or feedback, I would love to hear from you. sunglab@gmail.com http://www.sunglab.com

About

Fluids & Particle Simulation

Create mesmerizing, psychedelic fluid art with your fingertips. This app offers a calming and creative outlet to reduce stress and channel negative emotions into beautiful, flowing patterns. Enjoy a unique ASMR experience with sound-reactive visuals and customizable parameters.

Highlights
  • Interactive fluid art simulation
  • Sound-reactive fluids
  • Dozens of customizable parameters
  • Autopilot mode
  • Gyrosensor and haptic feedback integration
  • Real-time sound synthesis
  • Video recording and screenshot functionality
Read full description

Are you stressed and agitated? Do you want to channel your negative energies into something soulful and creatively free till you feel calm? The Fluids and Sounds app can help you - create satisfying, trippy and psychedelic art with your fingertips. This app helps you to reduce stress and calm down. Now you can touch on your screen to simulate colorful and luminescent fluids that flow with your touch movements. Create extraordinary patterns with single touch or multiple touches on the screen and delve deeper into a world of creative fascination and magical freedom till you feel the connection to our universe. --- Features of Fluids and Sounds --- - Wonderful and easy fluid art simulation - Sound reactive fluids (synchronize to your favorite music) - Dozens of parameters to play around with (color, bloom, sunrays, resolution, force and more) - Autopilot included. Let the fluids flow without interacting with the app. You also could stream this to a bigger screen using AirPlay. Please note: Autopilot is not generating sounds. - Gyrosensor, haptic feedback and force touch are integrated (if you want to use them) - Realtime sound synthesis for meditating music - Take screenshots and share them with anyone you like - Record videos of your fluids (please note: Videos are not including the fluid sounds, only the background music, also video recording excludes the UI, so you'll only record what matters - your art) - Save and load your favorite settings using presets --- Feel Free, Calm and Relaxed --- Art is a form of expression and expression helps in catharsis of inexplicable things we feel every day. If you think you suck at art or expression, this app offers you a safe, easy and creative outlet to channel your thoughts into wonderful art impressions that disappear intermittently. Allow yourself to come down and play around with Fluids & Shapes for some minutes to make beautiful expressions on your device’s screen. --- Seek Awareness and Peace --- You feel like the world is too overwhelming and you need to get a bit of awareness? Protect your peace from getting drowned in a pool of negative emotions such as stress, anxiety, agitation, depression etc. Seek awareness and peace the minute you open this app and make the most of your free time with this free, amazing app. --- Create Wonderful Fluid Art Impressions --- Use your fingertips to create wonderful forms and shapes on your device. While you do so, you can listen to relaxing music which is generated in realtime, depending on your input. Get in tune with the relaxing art and music as you make beautiful patterns on your screen. Customize the intensity, color dispersion, vortex index, music effects, waves and other items from the menu to enjoy a more personalized fluid art meditation and relaxation. Are you ready to feel the satisfaction of creative freedom and its impact on your mental wellbeing? The new fluid art meditation and stimulation app is here for you. Enjoy breathtaking art patterns and soulful music till you feel calm and relaxed. Download and use Fluids and Sounds today! Hope you'll enjoy, because we believe you deserve to feel calm and relaxed! Do you have ideas for new features or improvements? You are not satisfied with this app? Feel free to send me a message at info@mkgames.org Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Atomus 3D4 screens
Fluids & Particle Simulation4 screens

Verdict

The call

The clearest difference is price: Fluids & Particle Simulation at Free against Atomus 3D's $3.99. Fluids & Particle Simulation also leads on rating (4.7 vs 4.1) and review sentiment (90% vs 65%). Atomus 3D's advantage is in-app purchases (none vs 8). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Fluids & Particle Simulation is free to download; Atomus 3D costs $3.99 up front. Fluids & Particle Simulation sells 8 in-app purchases, starting at $2.99 per 7 days. Atomus 3D asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fluids & Particle Simulation holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Fluids & Particle Simulation has 770 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 65% of Atomus 3D's written reviews are positive against 90% of Fluids & Particle Simulation's.

UpkeepUpdate frequency

Atomus 3D ships an update every 5 months, Fluids & Particle Simulation monthly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

Scorecard8 real differences · 2 level
Atomus 3D versus Fluids & Particle Simulation: the parameters behind the verdict, then further details
ParameterAtomus 3DFluids & Particle Simulation
Price$3.99Free — better
Rating4.1 (27 ratings)4.7 (770 ratings) — better
Positive reviews65.0% of reviews89.6% of reviews — better
Number of ratings27770 — better
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.613.0 — better
Further details — not scored
Size118 MB189 MB
Age rating4+4+
DeveloperSungLab IncZipoApps

Customer experience

Atomus 3D

All ratings27 ratings
Positive77.8%
Neutral3.7%
Negative18.5%
Written reviews20 reviews
Positive65.0%
Neutral15.0%
Negative20.0%

Fluids & Particle Simulation

All ratings770 ratings
Positive94.2%
Neutral2.9%
Negative3.0%
Written reviews125 reviews
Positive89.6%
Neutral4.0%
Negative6.4%

Bugs and requests

Atomus 3D

Not enough reviews yet to summarise bugs or requests.

Fluids & Particle Simulation

Reported bugs

2 issues
  • Microphone input not working as expected
  • Difficulty resetting or restoring default settings

Requested features

4 requests
  • Ability to sync visuals with external audio/music
  • More preset options and visual effects
  • Improved UI/UX for settings and controls
  • Support for casting to external displays

In-app purchases

None

Atomus 3D

No in-app purchases

8 purchases

Fluids & Particle Simulation

Subscriptions3
  • Unlock all features3 Days trial$2.997 Days
  • Unlock all | monthly premium$5.991 Month
  • Fluids PRO$17.991 Year
One-time5
  • Unlock all Presets (iOS)$1.99
  • Unlock all Presets (OS X Mac)$2.99
  • Unlock all features$14.99
Show 2 more
  • Psychedelic magic (OS X Mac)$24.99
  • Psychedelic magic (iOS)$44.99

Questions

Is Atomus 3D free?
Atomus 3D costs $3.99, with no in-app purchases.
Is Fluids & Particle Simulation free?
Fluids & Particle Simulation is free to download, with in-app purchases available.
Which has better reviews, Atomus 3D or Fluids & Particle Simulation?
Fluids & Particle Simulation is rated higher. Atomus 3D averages 4.1 out of 5 from 27 ratings, while Fluids & Particle Simulation averages 4.7 from 770 ratings.
Do Atomus 3D or Fluids & Particle Simulation have ads?
Neither Atomus 3D nor Fluids & Particle Simulation shows ads.
Which is updated more often, Atomus 3D or Fluids & Particle Simulation?
Atomus 3D ships an update every 5 months, and Fluids & Particle Simulation monthly. Most recently, Atomus 3D was updated on October 5, 2026 and Fluids & Particle Simulation on October 7, 2026.

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