# Silk 2 vs Fluids & Particle Simulation

The clearest difference is price: Fluids & Particle Simulation at Free against Silk 2's $2.99. Silk 2's advantage is in-app purchases (none vs 8) and chart position (#84 vs unranked). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

Fluids & Particle Simulation is free to download; Silk 2 costs $2.99 up front. Fluids & Particle Simulation sells 8 in-app purchases, starting at $2.99 per 7 days. Silk 2 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Silk 2 against 4.7 for Fluids & Particle Simulation. Both are backed by a comparable volume of ratings — 909 and 777 respectively. Written reviews are what separate them: 92% of Silk 2's written reviews are positive against 90% of Fluids & Particle Simulation's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Silk 2 | Fluids & Particle Simulation |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.7 (909 ratings)](https://appshunter.io/ios/app/silk-2-generative-art/id1050339928/reviews) | **[4.7 (777 ratings)](https://appshunter.io/ios/app/fluids-and-particle-simulation/id1532653221/reviews)** |
| Number of ratings | **909** | 777 |
| Positive reviews | **91.9% of reviews** | 89.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#84** | — |
| Size | 23 MB | 189 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Vishnevsky](https://appshunter.io/developer/416618312) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Silk 2

[App page](https://appshunter.io/ios/app/silk-2-generative-art/id1050339928)

**Currently charting:** #84 Top Paid · Entertainment (US App Store)

Create stunning generative art with a magical brush. Easily design mandalas, wallpapers, and flowing visual patterns with simple finger gestures. This app is perfect for both artists and beginners to express their creativity.

**Highlights:** Magic brush for flowing art, Create mandalas and wallpapers, High-resolution export, Rainbow color and new palettes, Apple Pencil and 3D Touch support, Original music and sound

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

**In-app purchases:** none

**What reviewers like**

- 🌟 Relaxing and calming experience
- 🎨 Allows for creative expression
- 👍 Easy to use and intuitive interface
- 💫 Produces beautiful and mesmerizing artwork
- 🧘‍♀️ Helps with anxiety and stress relief

**What reviewers complain about**

- 🖌️ Limited drawing tools and customization options
- 🖼️ No option to change background color
- 💾 Inability to save or load previous creations
- 🔍 Unclear instructions or guidance for some features

**Reported bugs**

- Occasional app crashes or freezes
- Compatibility issues with certain devices

**Requested features**

- Add more drawing tools and brushes
- Implement background color selection
- Allow saving and loading of artwork
- Provide more detailed tutorials or instructions


### 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 Silk 2 free?

Silk 2 costs $2.99, 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, Silk 2 or Fluids & Particle Simulation?

Fluids & Particle Simulation is rated higher. Silk 2 averages 4.7 out of 5 from 909 ratings, while Fluids & Particle Simulation averages 4.7 from 777 ratings.

### Do Silk 2 or Fluids & Particle Simulation have ads?

Neither Silk 2 nor Fluids & Particle Simulation shows ads.

### Which is updated more often, Silk 2 or Fluids & Particle Simulation?

Silk 2 ships an update monthly, and Fluids & Particle Simulation monthly. Most recently, Silk 2 was updated on October 29, 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.*