# Magic Fluid Sand vs Polyrhythm

The clearest difference is rating: Polyrhythm at 2.1 against Magic Fluid Sand's 1.0. Polyrhythm also leads on ads (none vs shown) and review sentiment (25% vs 0%). Magic Fluid Sand's advantage is in-app purchases (none vs 3). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Polyrhythm sells 3 in-app purchases, starting at $1.99 per 7 days. Magic Fluid Sand asks for nothing beyond the download.

Polyrhythm holds the better App Store score, 2.1 against 1.0. That said, the two scores are not equally well evidenced: Polyrhythm has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Magic Fluid Sand's written reviews are positive against 25% of Polyrhythm's.

Magic Fluid Sand ships an update monthly, Polyrhythm every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Magic Fluid Sand | Polyrhythm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/magic-fluid-sand/id6446834621/reviews) | **[2.1 (9 ratings)](https://appshunter.io/ios/app/polyrhythm-relaxing-sounds/id6462398544/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 28 MB | 131 MB |
| Requires iOS | 12 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [立辉 韩](https://appshunter.io/developer/1434803840) | [Stanislav Duplinskiy](https://appshunter.io/developer/1529735040) |

## What reviewers say

### Magic Fluid Sand

[App page](https://appshunter.io/ios/app/magic-fluid-sand/id6446834621)

Experience a unique blend of classic Tetris and 2048 gameplay with relaxing fluid sand simulations. Enjoy synthesized music and inspiring quotes for a calming and visually engaging experience.

**Highlights:** Fluid sand simulation, Classic Tetris gameplay, 2048 puzzle game, Synthesized background music, Inspiring life quotes, Interactive sand control

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

**In-app purchases:** none


### Polyrhythm

[App page](https://appshunter.io/ios/app/polyrhythm-relaxing-sounds/id6462398544)

Create a personalized soundscape for relaxation, sleep, or meditation. Explore a variety of organic and synthesized instruments, ambient background sounds, and AI-generated presets. Customize and save your favorite sound combinations for a tranquil experience.

**Highlights:** Variety of sound presets, Organic and synthesized instruments, Background ambient sounds, AI preset generator, Advanced preset customization, Create and save custom presets

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access to app functions | $1.99 | per 7 days |
| Full access to app functions | $5.99 | per month |
| Full access to app functions | $12.99 | per 3 months |


## Frequently asked questions

### Is Magic Fluid Sand free?

Magic Fluid Sand is free to download, with no in-app purchases.

### Is Polyrhythm free?

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

### Which has better reviews, Magic Fluid Sand or Polyrhythm?

Polyrhythm is rated higher. Magic Fluid Sand averages 1.0 out of 5 from 1 ratings, while Polyrhythm averages 2.1 from 9 ratings.

### Do Magic Fluid Sand or Polyrhythm have ads?

Magic Fluid Sand shows ads; Polyrhythm does not.

### Which is updated more often, Magic Fluid Sand or Polyrhythm?

Magic Fluid Sand ships an update monthly, and Polyrhythm every 5 weeks. Most recently, Magic Fluid Sand was updated on November 3, 2026 and Polyrhythm 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.*