# Autohypnosis vs Fluids & Particle Simulation

The clearest difference is review sentiment: Fluids & Particle Simulation at 90% against Autohypnosis's 59%. Fluids & Particle Simulation also leads on rating (4.7 vs 4.5). Autohypnosis's advantage is iOS requirement (11.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Autohypnosis sells 3 in-app purchases, starting at $9.99 per 7 days 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 4.5. Both are backed by a comparable volume of ratings — 689 and 776 respectively. Written reviews point the same way: 59% of Autohypnosis's written reviews are positive against 90% of Fluids & Particle Simulation's.

Autohypnosis ships an update every 5 weeks, Fluids & Particle Simulation monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Autohypnosis | Fluids & Particle Simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (689 ratings)](https://appshunter.io/ios/app/autohypnosis/id1435238754/reviews) | **[4.7 (776 ratings)](https://appshunter.io/ios/app/fluids-and-particle-simulation/id1532653221/reviews)** |
| Number of ratings | 689 | **776** |
| Positive reviews | 58.5% of reviews | **89.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 79 MB | 189 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Daily Apps](https://appshunter.io/developer/1346779436) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Autohypnosis

[App page](https://appshunter.io/ios/app/autohypnosis/id1435238754)

Hypnotize yourself with a vast library of satisfying videos, including nature, 3D, and mandalas. Save favorites, upload your own, and discover new content daily. Offers a free selection with ads and restrictions, with an optional subscription for unlimited access.

**Highlights:** Self-hypnosis with videos, Nature, 3D, loops, mandalas, fractals, Save favorite videos, Upload personal videos, Daily new video uploads, Community content moderation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Relaxing Videos Weekly FT | $9.99 | per 7 days |
| Relaxing Videos Monthly | $24.99 | per month |
| Relaxing Videos Yearly | $99.99 | per year |

**What reviewers like**

- 👍 Relaxing and satisfying videos
- 🤩 Hypnotizing and immersive experience
- 🎨 Unique and creative visuals

**What reviewers complain about**

- 💰 Extremely expensive subscription model
- 🤬 Frequent and intrusive subscription prompts
- 🐛 App crashes and interface issues

**Reported bugs**

- Play button not functioning properly
- Screens freezing and locking up devices
- Inconsistent performance across devices

**Requested features**

- Add relaxing sound effects or music
- Allow users to upload and share their own videos
- Introduce a free version with limited features


### 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 Autohypnosis free?

Autohypnosis 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, Autohypnosis or Fluids & Particle Simulation?

Fluids & Particle Simulation is rated higher. Autohypnosis averages 4.5 out of 5 from 689 ratings, while Fluids & Particle Simulation averages 4.7 from 776 ratings.

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

Neither Autohypnosis nor Fluids & Particle Simulation shows ads.

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

Autohypnosis ships an update every 5 weeks, and Fluids & Particle Simulation monthly. Most recently, Autohypnosis was updated on November 2, 2026 and Fluids & Particle Simulation on November 3, 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.*