# Fluids & Particle Simulation vs Hey Bear Sensory

The clearest difference is rating: Fluids & Particle Simulation at 4.7 against Hey Bear Sensory's 4.1. Fluids & Particle Simulation also leads on review sentiment (90% vs 56%) and update cadence (monthly vs every 4 months). On price, ads, in-app purchases and monetization model 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 and Hey Bear Sensory sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Fluids & Particle Simulation holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Fluids & Particle Simulation has 777 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 90% of Fluids & Particle Simulation's written reviews are positive against 56% of Hey Bear Sensory's.

Fluids & Particle Simulation ships an update monthly, Hey Bear Sensory every 4 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Fluids & Particle Simulation | Hey Bear Sensory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (777 ratings)](https://appshunter.io/ios/app/fluids-and-particle-simulation/id1532653221/reviews)** | [4.1 (27 ratings)](https://appshunter.io/ios/app/hey-bear-sensory/id6449767650/reviews) |
| Number of ratings | **777** | 27 |
| Positive reviews | **89.6% of reviews** | 55.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 189 MB | 58 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [HEY BEAR PRODUCTIONS LIMITED](https://appshunter.io/developer/1690544979) |

## What reviewers say

### 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


### Hey Bear Sensory

[App page](https://appshunter.io/ios/app/hey-bear-sensory/id6449767650)

This app offers a collection of engaging videos designed to promote happiness, movement, learning, and relaxation for young children. Explore dance parties and soothing bedtime content featuring friendly characters.

**Highlights:** Promotes happiness and movement, Encourages visual tracking, Offers relaxation and sleep content, Includes dance party videos, Features bedtime collection, Super cute and friendly characters

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hey Bear Sensory Monthly | $5.99 | per month |
| Hey Bear Sensory Yearly | $59.99 | per year |


## Frequently asked questions

### Is Fluids & Particle Simulation free?

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

### Is Hey Bear Sensory free?

Hey Bear Sensory is free to download, with in-app purchases available.

### Which has better reviews, Fluids & Particle Simulation or Hey Bear Sensory?

Fluids & Particle Simulation is rated higher. Fluids & Particle Simulation averages 4.7 out of 5 from 777 ratings, while Hey Bear Sensory averages 4.1 from 27 ratings.

### Do Fluids & Particle Simulation or Hey Bear Sensory have ads?

Neither Fluids & Particle Simulation nor Hey Bear Sensory shows ads.

### Which is updated more often, Fluids & Particle Simulation or Hey Bear Sensory?

Fluids & Particle Simulation ships an update monthly, and Hey Bear Sensory every 4 months. Most recently, Fluids & Particle Simulation was updated on October 23, 2026 and Hey Bear Sensory on October 21, 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.*