Comparison

Glow Doodle 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

Glow Doodle

Create vibrant, glowing drawings with a unique neon effect. This app is praised by educators and parents for its art, educational, and fine motor skill development benefits. It offers a simple yet engaging interface with carefully curated colors and a magical "glow" button.

Highlights
  • Razor sharp light glow effect
  • Harmonious doodle colors
  • Auto-hiding toolbar
  • Erase previous stroke
  • Save drawings to photo albums
  • Apple Pencil support
Features
Read full description

A Top 5 Best Selling App^ - The original Glow Doodle. Glow Doodle is thankfully the choice of many teachers worldwide who embrace educational technology to their classroom for art, math, language lessons and fine motor skill activities^^. Glow Doodle has all it takes to make a doodling app a Top 5 App among hundred thousands of Apps: - Originality: Glow Doodle was the first to bring razor sharp neon effect from the hands of professional designers to the fingertips of everyone of every age. It lit up iPhone users' Christmas & winter nights with a magical mood like never before when Glow Doodle was introduced in winter 2009 - Quality-over-quantity & painstaking effort behind the simple to use App: While we could have allowed users to pick millions of random colors & line thickness, instead, we spent tedious effort to fine tune a few in order to maintain a harmonious & less confusing user experience for all ages. - Support from quality users: It was the overwhelming support from our users propelled Glow Doodle to TOP 5 Best Selling Paid App in the US and UK App Stores. We are grateful to our quality users including teachers, elementary teachers around the world who brought Glow Doodle to their classrooms with a creative mind & respect for originality, an invaluable message to our creative children. - Special Needs Friendly: Parents & professionals including pediatric OTs taking care of kids with special needs such as autism have also found Glow Doodle useful. In addition to the simple user interface, Glow Doodle takes the approach of "magic" button which provides cause & effect experience to enhance visual sensory & fine motor skills developments. The moment when you press the "GLOW" button, you will be amazed how a seemingly ordinary drawing turns into truly stunning Glow Doodle effect. It's a unique original experience that sets Glow Doodle apart from others who follow suit. Now updated with Nordic Ice Blue color (available via IAP) and option to draw with Apple Pencil only so that you can unleash your glowing creativity to the next level. KEY FEATURES: * Razor sharp Light Glow Effect * Harmonious Doodle Colors: Red, Green, Blue, Yellow, Orange, Pink, White, Magenta * Auto-hiding toolbar (auto-hide while drawing) * Erase the previous stroke (by pressing the counter-clockwise arrow button) * Motivational Glowy Rocket may suddenly turn up * Save drawing to Photo Albums to share EDUCATION FRIENDLY SETTING: * Option to hide In-App Purchase button via Settings app APPLE PENCIL FRIENDLY SETTING: * Option to allow drawing with Apple Pencil only via Settings app NORDIC ICE BLUE EDITION (Available via In-App Purchase): * Unlocks Nordic Ice Blue color * Unlocks Rocket Sure Launch - Instead of appearing once in a while, motivational Glowy Rocket launches every time you light up your drawing * Hides IAP button ADVANCED DRAWING TIPS: You can make part of your drawing "glow" (e.g. the flame of a rocket) while other part of the drawing doesn't "glow" (e.g. the rocket body). For example, (1) draw the flame of the rocket first; (2) then press the "GLOW" button to make it glow; (3) continue to draw the rocket body without pressing the "GLOW" button. REMARKS: ^US & UK App Store; Jan 2010; Overall Paid Chart & Entertainment Paid Chart SHARE & FOLLOW: Follow us or Share with us on: Twitter https://twitter.com/GlowDoodle Pinterest http://pinterest.com/oodot/ Facebook http://www.facebook.com/CrossDisciplineTechnologyLimited Flickr http://www.flickr.com/photos/cdtapps/ ^^Sharing by teachers & schools: http://www.pinterest.com/oodot/glow-doodle-in-classroom-learning/

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

Glow Doodle4 screens
Fluids & Particle Simulation4 screens

Verdict

The call

The clearest difference is price: Fluids & Particle Simulation at Free against Glow Doodle's $0.99. Fluids & Particle Simulation also leads on rating (4.7 vs 2.9) and ratings volume (777 vs 10). On ads, 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

Fluids & Particle Simulation is free to download; Glow Doodle costs $0.99 up front. Glow Doodle sells 1 one-off in-app purchase and Fluids & Particle Simulation sells 8 in-app purchases, starting at $2.99 per 7 days. 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 2.9. That said, the two scores are not equally well evidenced: Fluids & Particle Simulation has 777 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 67% of Glow Doodle's written reviews are positive against 90% of Fluids & Particle Simulation's.

UpkeepUpdate frequency

Glow Doodle ships an update every 3 months, Fluids & Particle Simulation monthly. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
Glow Doodle versus Fluids & Particle Simulation: the parameters behind the verdict, then further details
ParameterGlow DoodleFluids & Particle Simulation
Price$0.99Free — better
Rating2.9 (10 ratings)4.7 (777 ratings) — better
Positive reviews67.4% of reviews89.6% of reviews — better
Number of ratings10777 — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.0 — better13.0
Further details — not scored
Size7 MB189 MB
Age rating4+4+
DeveloperY LauZipoApps

Customer experience

Glow Doodle

All ratings10 ratings
Positive40.0%
Neutral10.0%
Negative50.0%
Written reviews172 reviews
Positive67.4%
Neutral19.2%
Negative13.4%

Fluids & Particle Simulation

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

User reviews

Glow Doodle

From 10 App Store ratings

What we love

  • 🚀 Smooth drawing experience
  • 💡 Glow effect is fun and unique
  • 👍 Great for entertaining kids

Room to improve

  • 🐛 Crashes after recent update
  • 🎨 Limited color options
  • 🔧 Lack of customization tools (brush size, eraser, etc.)

Fluids & Particle Simulation

From 777 App Store ratings

What we love

  • 🚀 Mesmerizing visuals
  • 👍 Relaxing and calming experience
  • 🎨 Customizable color and fluid effects
  • 🎶 Enjoyable audio/music integration
  • 💡 Innovative and creative app concept

Room to improve

  • 🐛 Occasional crashes or bugs
  • 🔋 Device overheating issues
  • 💰 Paid features may be too expensive
  • 🔇 Lack of volume/audio control options

Bugs and requests

Glow Doodle

Reported bugs

3 issues
  • App crashes on launch
  • Saved images lose glow effect
  • Drawing toolbar interferes with usage

Requested features

4 requests
  • More color options
  • Ability to draw on photos from library
  • Brush size and eraser tool
  • Ability to save glowing images accurately

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

1 purchases

Glow Doodle

One-time1
  • Nordic Ice Blue Edition$0.99
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 Glow Doodle free?
Glow Doodle costs $0.99, and also offers in-app purchases.
Is Fluids & Particle Simulation free?
Fluids & Particle Simulation is free to download, with in-app purchases available.
Which has better reviews, Glow Doodle or Fluids & Particle Simulation?
Fluids & Particle Simulation is rated higher. Glow Doodle averages 2.9 out of 5 from 10 ratings, while Fluids & Particle Simulation averages 4.7 from 777 ratings.
Do Glow Doodle or Fluids & Particle Simulation have ads?
Neither Glow Doodle nor Fluids & Particle Simulation shows ads.
Which is updated more often, Glow Doodle or Fluids & Particle Simulation?
Glow Doodle ships an update every 3 months, and Fluids & Particle Simulation monthly. Most recently, Glow Doodle was updated on October 21, 2026 and Fluids & Particle Simulation on October 23, 2026.

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