# Atomus 3D vs Fluidium

The clearest difference is price: Fluidium at Free against Atomus 3D's $3.99. Fluidium also leads on rating (5.0 vs 4.1) and review sentiment (100% vs 65%). Atomus 3D's advantage is in-app purchases (none vs 1) and iOS requirement (15.6 vs 17.6). On ratings volume, ads and device support there is nothing between them.

Fluidium is free to download; Atomus 3D costs $3.99 up front. Fluidium sells 1 one-off in-app purchase. Atomus 3D asks for nothing beyond the download.

Fluidium holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 27 and 18 respectively. Written reviews point the same way: 65% of Atomus 3D's written reviews are positive against 100% of Fluidium's.

Atomus 3D ships an update every 6 months, Fluidium every 2 days. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Atomus 3D | Fluidium |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.1 (27 ratings)](https://appshunter.io/ios/app/atomus-3d/id1074119248/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/fluidium/id6745104628/reviews)** |
| Number of ratings | **27** | 18 |
| Positive reviews | 65.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 118 MB | 270 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SungLab Inc](https://appshunter.io/developer/1691666995) | [Colordodge Labs](https://appshunter.io/developer/376551726) |

## What reviewers say

### Atomus 3D

[App page](https://appshunter.io/ios/app/atomus-3d/id1074119248)

This interactive visualizer offers a dynamic and artistic experience. Control a universe with multi-touch gestures, customize particle effects, and enjoy vibrant color modes. It's designed to inspire creativity and provide a visually stunning escape.

**Highlights:** Multi-touch display, Customizable particle effects, Dynamic 3D visuals, Multiple color modes, High frame rate performance

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

**In-app purchases:** none


### 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 Atomus 3D free?

Atomus 3D costs $3.99, with no in-app purchases.

### Is Fluidium free?

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

### Which has better reviews, Atomus 3D or Fluidium?

Fluidium is rated higher. Atomus 3D averages 4.1 out of 5 from 27 ratings, while Fluidium averages 5.0 from 18 ratings.

### Do Atomus 3D or Fluidium have ads?

Neither Atomus 3D nor Fluidium shows ads.

### Which is updated more often, Atomus 3D or Fluidium?

Atomus 3D ships an update every 6 months, and Fluidium every 2 days. Most recently, Atomus 3D was updated on September 11, 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.*