# Glow Doodle vs Fluids & Particle Simulation

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.

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.

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.

Glow Doodle ships an update every 3 months, Fluids & Particle Simulation monthly. Both last shipped on October 23, 2026.

## The numbers

| Metric | Glow Doodle | Fluids & Particle Simulation |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.9 (10 ratings)](https://appshunter.io/ios/app/glow-doodle/id336802765/reviews) | **[4.7 (777 ratings)](https://appshunter.io/ios/app/fluids-and-particle-simulation/id1532653221/reviews)** |
| Number of ratings | 10 | **777** |
| Positive reviews | 67.4% of reviews | **89.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 189 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Y Lau](https://appshunter.io/developer/284938424) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Glow Doodle

[App page](https://appshunter.io/ios/app/glow-doodle/id336802765)

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:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nordic Ice Blue Edition | $0.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- App crashes on launch
- Saved images lose glow effect
- Drawing toolbar interferes with usage

**Requested features**

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


### Fluids & Particle Simulation

[App page](https://appshunter.io/ios/app/fluids-and-particle-simulation/id1532653221)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $2.99 | per 7 days |
| Unlock all \| monthly premium | $5.99 | per month |
| Fluids PRO | $17.99 | per year |
| Unlock all Presets (iOS) | $1.99 | one-time |
| Unlock all Presets (OS X Mac) | $2.99 | one-time |
| Unlock all features | $14.99 | one-time |
| Psychedelic magic (OS X Mac) | $24.99 | one-time |
| Psychedelic magic (iOS) | $44.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Microphone input not working as expected
- Difficulty resetting or restoring default settings

**Requested features**

- 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


## Frequently asked 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 23, 2026 and Fluids & Particle Simulation on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*