# Flasia vs Fluids & Particle Simulation

The clearest difference is in-app purchases: Flasia at none against Fluids & Particle Simulation's 8. Fluids & Particle Simulation's advantage is ads (none vs shown) and update cadence (monthly vs every 3 months). On price, rating and device support there is nothing between them.

Both are free to download. Fluids & Particle Simulation sells 8 in-app purchases, starting at $2.99 per 7 days. Flasia asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Flasia against 4.7 for Fluids & Particle Simulation. That said, the two scores are not equally well evidenced: Fluids & Particle Simulation has 777 ratings behind it against 146, so its average is the more settled of the two. Written reviews are what separate them: 76% of Flasia's written reviews are positive against 90% of Fluids & Particle Simulation's.

Flasia ships an update every 3 months, Fluids & Particle Simulation monthly. The most recent releases landed on November 1, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Flasia | Fluids & Particle Simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (146 ratings)](https://appshunter.io/ios/app/flasia/id1076407250/reviews) | **[4.7 (777 ratings)](https://appshunter.io/ios/app/fluids-and-particle-simulation/id1532653221/reviews)** |
| Number of ratings | 146 | **777** |
| Positive reviews | 76.5% of reviews | **89.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 89 MB | 189 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SungLab Inc](https://appshunter.io/developer/1691666995) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Flasia

[App page](https://appshunter.io/ios/app/flasia/id1076407250)

This app offers a visually stunning and interactive experience with dynamic, artistic displays. It's designed to inspire creativity, provide a change of pace, or serve as unique entertainment and decor.

**Highlights:** 5-Finger Multi-touch Display, Customizable particle effects, Gesture Control and Multi-Touch Drawing modes, Fluid effects with high FPS, Optional music integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Visually stunning and beautiful
- 😌 Calming and relaxing experience
- 🎶 Pleasant and soothing music
- 💖 Supports developer's hard work
- 🤩 Unique and mesmerizing visuals

**What reviewers complain about**

- 😠 Frequent and intrusive ads
- 🐛 App becomes messed up after ads
- 🔄 Recent update changed the feel
- 📱 Lacks portrait mode support
- 🚫 No response from support

**Reported bugs**

- App appears on 75% of iPad screen after ads
- Music not playing on iPad Mini & iPhone 8
- Music turned off after second use
- App not supporting portrait mode

**Requested features**

- Option to revert to old design
- Add a record button
- Tutorial for maneuvers
- Support for iPhone X


### 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 Flasia free?

Flasia is free to download, 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, Flasia or Fluids & Particle Simulation?

Fluids & Particle Simulation is rated higher. Flasia averages 4.6 out of 5 from 146 ratings, while Fluids & Particle Simulation averages 4.7 from 777 ratings.

### Do Flasia or Fluids & Particle Simulation have ads?

Flasia shows ads; Fluids & Particle Simulation does not.

### Which is updated more often, Flasia or Fluids & Particle Simulation?

Flasia ships an update every 3 months, and Fluids & Particle Simulation monthly. Most recently, Flasia was updated on November 1, 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.*