# Sleeping Carl on a cloud vs Vortis

The clearest difference is in-app purchases: Sleeping Carl on a cloud at none against Vortis's 1. Sleeping Carl on a cloud also leads on ads (none vs shown). Vortis's advantage is update cadence (every 5 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Vortis sells 1 one-off in-app purchase. Sleeping Carl on a cloud asks for nothing beyond the download.

Sleeping Carl on a cloud ships an update every 3 months, Vortis every 5 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Sleeping Carl on a cloud | Vortis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vortis-fluid-art-simulation/id6804831733/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 62.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 58 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tayasui.com](https://appshunter.io/developer/359375853) | [Ines Golub](https://appshunter.io/developer/6795134300) |

## What reviewers say

### Sleeping Carl on a cloud

[App page](https://appshunter.io/ios/app/sleeping-carl-on-a-cloud/id359375850)

A calming bedtime companion featuring a character resting on a cloud. Gentle animations and soothing sounds create a peaceful atmosphere for children and parents. The app includes a simple alarm and gradually dims to help settle the room for sleep.

**Highlights:** Calming white-noise companion, Gentle animations, Soft soundscape, Built-in alarm, Gradual dimming and sound reduction, Interactive character

**Features:** macOS Compatibility

**In-app purchases:** none


### Vortis

[App page](https://appshunter.io/ios/app/vortis-fluid-art-simulation/id6804831733)

Experience a dynamic fluid art simulation that responds to your touch with vibrant colors and mesmerizing patterns. Explore various visual styles and adjust simulation parameters in real-time for a unique, stress-relieving visual experience.

**Highlights:** Interactive fluid simulation, Real-time GPU computation, Multiple visual styles (looks), Adjustable simulation parameters, Music and camera integration, Record and save creations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vortis Pro | $2.99 | one-time |


## Frequently asked questions

### Is Sleeping Carl on a cloud free?

Sleeping Carl on a cloud is free to download, with no in-app purchases.

### Is Vortis free?

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

### Do Sleeping Carl on a cloud or Vortis have ads?

Vortis shows ads; Sleeping Carl on a cloud does not.

### Which is updated more often, Sleeping Carl on a cloud or Vortis?

Sleeping Carl on a cloud ships an update every 3 months, and Vortis every 5 days. Most recently, Sleeping Carl on a cloud was updated on November 6, 2026 and Vortis on November 7, 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.*