# Drawing Box Pro vs Fluids & Particle Simulation

The clearest difference is rating: Fluids & Particle Simulation at 4.7 against Drawing Box Pro's 4.4. Fluids & Particle Simulation also leads on ratings volume (770 vs 27) and device support (4 vs 1). Drawing Box Pro's advantage is iOS requirement (9.0 vs 13.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Drawing Box Pro 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 4.4. That said, the two scores are not equally well evidenced: Fluids & Particle Simulation has 770 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 88% of Drawing Box Pro's written reviews are positive against 90% of Fluids & Particle Simulation's.

Drawing Box Pro ships an update every 6 weeks, Fluids & Particle Simulation monthly. Both last shipped on October 15, 2026.

## The numbers

| Metric | Drawing Box Pro | Fluids & Particle Simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (27 ratings)](https://appshunter.io/ios/app/drawing-box-pro/id1055345355/reviews) | **[4.7 (770 ratings)](https://appshunter.io/ios/app/fluids-and-particle-simulation/id1532653221/reviews)** |
| Number of ratings | 27 | **770** |
| Positive reviews | 87.5% of reviews | **89.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 189 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Etienne Nguyen Tan Hon](https://appshunter.io/developer/417852567) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Drawing Box Pro

[App page](https://appshunter.io/ios/app/drawing-box-pro/id1055345355)

Create digital paintings and designs with a comprehensive set of artist tools. Features include various brush effects, multi-layer support, and video replays of your creative process. Optimized for Apple Pencil on iPad Pro for enhanced accuracy and natural drawing.

**Highlights:** Pencil and brush effects, Multi-layer support, Video replay of artwork, Apple Pencil optimization, Symmetrical drawing, Customizable color mixer, Export to PSD, PNG, PDF, video

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Tools And Features | $4.99 | one-time |

**What reviewers like**

- 🎨 Realistic paint tools
- ✍️ Fluid line drawing
- 💡 Mirror drawing tool
- 👍 Easy to use interface
- 📱 Works well with Apple Pencil

**What reviewers complain about**

- 💥 Frequent crashes
- 🗑️ Drawings disappear
- 📉 Low resolution (32-bit or less)
- 🚫 No stylus support (except Apple Pencil)
- 🖼️ Oils and watercolor lack realism

**Reported bugs**

- App crashes after ten minutes
- Drawings disappear when deleting a blank page
- Unintended lines when zooming with Apple Pencil
- Dropbox backup seems out of date

**Requested features**

- Update to 64-bit resolution
- Add moving tool
- Improve realism of oils and watercolor
- Support for other styluses (Adonit Jot, Wacom Intuos Creative)
- Rethink the app icon design


### 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 Drawing Box Pro free?

Drawing Box Pro is free to download, with in-app purchases available.

### Is Fluids & Particle Simulation free?

Fluids & Particle Simulation is free to download, with in-app purchases available.

### Which has better reviews, Drawing Box Pro or Fluids & Particle Simulation?

Fluids & Particle Simulation is rated higher. Drawing Box Pro averages 4.4 out of 5 from 27 ratings, while Fluids & Particle Simulation averages 4.7 from 770 ratings.

### Do Drawing Box Pro or Fluids & Particle Simulation have ads?

Neither Drawing Box Pro nor Fluids & Particle Simulation shows ads.

### Which is updated more often, Drawing Box Pro or Fluids & Particle Simulation?

Drawing Box Pro ships an update every 6 weeks, and Fluids & Particle Simulation monthly. Most recently, Drawing Box Pro was updated on October 15, 2026 and Fluids & Particle Simulation on October 15, 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.*