Comparison

Fluids & Particle Simulation vs Paint book

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

Head to head
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/

About

Paint book

Unleash your creativity with this drawing app designed for beginners and enthusiasts alike. It offers a user-friendly interface with essential tools like brushes, layers, and an eraser. Explore a variety of avatars and sketches for inspiration while you draw.

Highlights
  • Artboard and multiple brushes
  • Layer support
  • Eraser modification
  • Color adjustment
  • Avatar and sketch resources
  • Free creative graffiti
Features
Read full description

Paint book is a super cute drawing app for novice drawing lovers. The interface is concise and the operation is convenient, both professionals and painting enthusiasts can easily use it. • Full-featured: artboard, multiple brushes, layers, eraser modification, color adjustment, easy to use. • Drawing resources: There are a lot of avatars and sketches for reference, which are interesting and effective. • Full of creativity: support free creative graffiti and unleash unlimited creativity. Paint book welcomes your valuable suggestions and hopes to make progress with you. When confirming the purchase, a deduction will be made from your Apple ID account. Unless you cancel the subscription at least 24 hours before the end of the current subscription period, the subscription will automatically renew. The system will deduct the renewal fee from your account within 24 hours before the end of the current subscription period. If the subscription is not cancelled during the trial period, the unused trial duration will be automatically invalidated after purchasing the subscription. After completing the purchase, you can go to the account settings in the App Store to manage and cancel your subscription. Service Terms: https://suixiang2022.github.io/posts/suixiang/fuwu Privacy terms: https://suixiang2022.github.io/posts/suixiang/privacy

Screenshots

Fluids & Particle Simulation4 screens
Paint book4 screens

Verdict

The call

The clearest difference is ads: Fluids & Particle Simulation at none against Paint book's shown. Fluids & Particle Simulation also leads on rating (4.7 vs 4.3) and review sentiment (90% vs 67%). Paint book's advantage is update cadence (fortnightly vs monthly). On price, in-app purchases, monetization model 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

Both are free to download. Fluids & Particle Simulation sells 8 in-app purchases, starting at $2.99 per 7 days and Paint book sells 2 in-app purchases, starting at $2.99 per 3 months. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Fluids & Particle Simulation holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 776 and 178 respectively. Written reviews point the same way: 90% of Fluids & Particle Simulation's written reviews are positive against 67% of Paint book's.

UpkeepUpdate frequency

Fluids & Particle Simulation ships an update monthly, Paint book fortnightly. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Fluids & Particle Simulation versus Paint book: the parameters behind the verdict, then further details
ParameterFluids & Particle SimulationPaint book
PriceFreeFree
Rating4.7 (776 ratings) — better4.3 (178 ratings)
Positive reviews89.6% of reviews — better66.7% of reviews
Number of ratings776 — better178
Update frequencyMonthlyFortnightly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size189 MB33 MB
Age rating4+4+
DeveloperZipoApps随香 林

Customer experience

Fluids & Particle Simulation

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

Paint book

All ratings146 ratings
Positive81.5%
Neutral4.8%
Negative13.7%
Written reviews9 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and 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

Paint book

Not enough reviews yet to summarise bugs or requests.

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
2 purchases

Paint book

Subscriptions1
  • Vip three months3 Days trial$2.993 Months
One-time1
  • Pro Version$2.99

Questions

Is Fluids & Particle Simulation free?
Fluids & Particle Simulation is free to download, with in-app purchases available.
Is Paint book free?
Paint book is free to download, with in-app purchases available.
Which has better reviews, Fluids & Particle Simulation or Paint book?
Fluids & Particle Simulation is rated higher. Fluids & Particle Simulation averages 4.7 out of 5 from 776 ratings, while Paint book averages 4.3 from 178 ratings.
Do Fluids & Particle Simulation or Paint book have ads?
Paint book shows ads; Fluids & Particle Simulation does not.
Which is updated more often, Fluids & Particle Simulation or Paint book?
Fluids & Particle Simulation ships an update monthly, and Paint book fortnightly. Most recently, Fluids & Particle Simulation was updated on November 3, 2026 and Paint book on November 3, 2026.

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