# CRT vs Fluidium

The clearest difference is in-app purchases: CRT at none against Fluidium's 1. CRT also leads on iOS requirement (15.0 vs 17.6). Fluidium's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Fluidium sells 1 one-off in-app purchase. CRT asks for nothing beyond the download.

CRT ships an update daily, Fluidium every 2 days. The most recent releases landed on August 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CRT | Fluidium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (18 ratings)](https://appshunter.io/ios/app/fluidium/id6745104628/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 days |
| Monetization | — | Free with in-app purchases |
| Size | 183 MB | 270 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takatsugu Fukushima](https://appshunter.io/developer/838891625) | [Colordodge Labs](https://appshunter.io/developer/376551726) |

## What reviewers say

### CRT

[App page](https://appshunter.io/ios/app/crt-nbreak/id6736833528)

**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 CRT free?

CRT is free to download, with no in-app purchases.

### Is Fluidium free?

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

### Do CRT or Fluidium have ads?

CRT shows ads; Fluidium does not.

### Which is updated more often, CRT or Fluidium?

CRT ships an update daily, and Fluidium every 2 days. Most recently, CRT was updated on August 15, 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.*