# fluidity HD vs Fluidium

The clearest difference is rating: Fluidium at 5.0 against fluidity HD's 3.7. Fluidium also leads on update cadence (every 2 days vs every 2 months) and review sentiment (100% vs 73%). fluidity HD's advantage is ratings volume (124 vs 18) and iOS requirement (8.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. fluidity HD sells 1 one-off in-app purchase and Fluidium sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fluidium holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: fluidity HD has 124 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 73% of fluidity HD's written reviews are positive against 100% of Fluidium's.

fluidity HD ships an update every 2 months, Fluidium every 2 days. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | fluidity HD | Fluidium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (124 ratings)](https://appshunter.io/ios/app/fluidity-hd/id399403909/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/fluidium/id6745104628/reviews)** |
| Number of ratings | **124** | 18 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 270 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [nebulus design](https://appshunter.io/developer/351409194) | [Colordodge Labs](https://appshunter.io/developer/376551726) |

## What reviewers say

### fluidity HD

[App page](https://appshunter.io/ios/app/fluidity-hd/id399403909)

Experience a beautiful, real-time fluid dynamics simulation. Control the flow and colors of liquids with intuitive touch gestures. Unlock advanced features like ambient audio and video output through an in-app purchase.

**Highlights:** Real-time fluid dynamics simulation, Interactive touch controls, Stunning color customization, Ambient audio (in-app purchase), Snapshot and video output (in-app purchase)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Unlock | $1.99 | one-time |

**What reviewers like**

- 🌈 Visually stunning and mesmerizing
- 🧘‍♀️ Calming and relaxing experience
- 🎨 Vibrant and customizable colors
- 👍 Great for kids and adults

**What reviewers complain about**

- 🐛 Crashes and freezes on some devices
- 🔇 Lack of audio/music features
- 💰 Paid version not worth the cost
- 🔋 High battery consumption

**Reported bugs**

- Crashes on double-tap
- Incompatible with newer iOS
- Stuck finger gestures

**Requested features**

- Add music/ambient sound options
- Ability to save/export creations
- More customization controls
- Support for latest iOS versions


### Fluidium

[App page](https://appshunter.io/ios/app/fluidium/id6745104628)

Experience a mesmerizing world of living color and motion that responds to your touch. Create unique, breathtaking visuals, relax, explore creativity, or generate stunning videos and wallpapers.

**Highlights:** Interactive fluid simulation, 130+ factory presets, Custom preset design, 4 expressive brush types, HD video recording, Wallpaper generation, Smart Pause and Auto-Play modes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluidium Pro Mode Unlock | $4.99 | one-time |


## Frequently asked questions

### Is fluidity HD free?

fluidity HD is free to download, with in-app purchases available.

### Is Fluidium free?

Fluidium is free to download, with in-app purchases available.

### Which has better reviews, fluidity HD or Fluidium?

Fluidium is rated higher. fluidity HD averages 3.7 out of 5 from 124 ratings, while Fluidium averages 5.0 from 18 ratings.

### Do fluidity HD or Fluidium have ads?

Neither fluidity HD nor Fluidium shows ads.

### Which is updated more often, fluidity HD or Fluidium?

fluidity HD ships an update every 2 months, and Fluidium every 2 days. Most recently, fluidity HD was updated on September 28, 2026 and Fluidium on September 24, 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.*