# Dancing Particle vs RYUKIN

The clearest difference is price: Dancing Particle at Free against RYUKIN's $3.49. Dancing Particle also leads on iOS requirement (12.1 vs 16.0). RYUKIN's advantage is ads (none vs shown) and review sentiment (94% vs 86%). On rating, ratings volume, update cadence and in-app purchases there is nothing between them.

Dancing Particle is free to download; RYUKIN costs $3.49 up front. Dancing Particle sells 1 one-off in-app purchase and RYUKIN sells 35 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Dancing Particle against 4.9 for RYUKIN. Both are backed by a comparable volume of ratings — 102 and 62 respectively. Written reviews are what separate them: 86% of Dancing Particle's written reviews are positive against 94% of RYUKIN's.

Dancing Particle ships an update every 4 days, RYUKIN weekly. Both last shipped on October 14, 2026.

## The numbers

| Metric | Dancing Particle | RYUKIN |
| --- | --- | --- |
| Price | **Free** | $3.49 |
| Rating | [4.8 (102 ratings)](https://appshunter.io/ios/app/dancing-particle/id6444665083/reviews) | **[4.9 (62 ratings)](https://appshunter.io/ios/app/ryukin/id6471839445/reviews)** |
| Number of ratings | **102** | 62 |
| Positive reviews | 85.7% of reviews | **94.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 90 MB | 227 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [亚杰 刘](https://appshunter.io/developer/1651547334) | [Masataka Hakozaki](https://appshunter.io/developer/323346554) |

## What reviewers say

### Dancing Particle

[App page](https://appshunter.io/ios/app/dancing-particle/id6444665083)

Experience a visually captivating and stress-relieving interactive application. Swipe your finger to create mesmerizing particle effects and transform them into unique wallpapers. Escape the everyday and find tranquility with this artistic and engaging tool.

**Highlights:** Interactive particle effects, Stress relief and relaxation, Over 50 unique effects, Dreamlike visual experiences, Save effects as wallpapers, Artistic charm

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All particle effects | $1.99 | one-time |


### RYUKIN

[App page](https://appshunter.io/ios/app/ryukin/id6471839445)

Experience the serene beauty of goldfish swimming in a customizable virtual aquarium. Interact with the fish, adjust tank settings, and enjoy soothing visuals and sounds. Perfect for relaxation or a calming presence.

**Highlights:** Interactive goldfish that respond to touch, Customizable tank shape and background, Soothing water sounds and visuals, Cat & Baby Mode for safe interaction, Sleep timer for bedtime use, Play your own music, Clock and date display

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

**In-app purchases (35)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WIREFRAME RAINBOW | $0.99 | one-time |
| ROBO FISH 02 | $1.99 | one-time |
| ROBO FISH 04 | $1.99 | one-time |
| ROBO FISH 06 | $1.99 | one-time |
| GHOST BRIDE | $1.99 | one-time |
| BAT FISH | $1.99 | one-time |
| CALICO ORANGE/WHITE/BLACK | $1.99 | one-time |
| BLACK WHITE KITTY FISH | $1.99 | one-time |
| GHOST TRANSLUCENT | $1.99 | one-time |
| BLACK KITTY FISH | $1.99 | one-time |
| WHITE KITTY FISH | $1.99 | one-time |
| ROBO FISH 03 | $1.99 | one-time |
| GHOST BLACK | $1.99 | one-time |
| ROBO FISH 01 | $1.99 | one-time |
| ORANGE & WHITE KITTY FISH | $1.99 | one-time |
| RED RYUKIN | $1.99 | one-time |
| RED-WHITE RYUKIN | $1.99 | one-time |
| CALICO RED/WHITE/BLACK | $1.99 | one-time |
| ORANGE/WHITE | $1.99 | one-time |
| CALICO RED/GRAY/BLACK | $1.99 | one-time |
| YELLOW GOLD RYUKIN | $1.99 | one-time |
| RED CAP ORANDA | $1.99 | one-time |
| RED/WHITE II | $1.99 | one-time |
| LIONHEAD ORANGE/WHITE/BLACK | $1.99 | one-time |
| GHOST LUMINOUS | $1.99 | one-time |
| BLACK RYUKIN | $1.99 | one-time |
| CALICO KITTY FISH | $1.99 | one-time |
| GRAY WHITE KITTY FISH | $1.99 | one-time |
| WHITE VAMPIRE | $1.99 | one-time |
| BLACK VAMPIRE | $1.99 | one-time |
| BLACK WITCH | $1.99 | one-time |
| WHITE WITCH | $1.99 | one-time |
| ZOMBIE FISH | $1.99 | one-time |
| SKELETON FISH | $1.99 | one-time |
| PANDA TELESCOPE | $1.99 | one-time |

**What reviewers like**

- 💎 Gorgeous and lifelike fish
- 🎨 Beautiful and customizable environments
- 🎶 Soothing water sounds
- 🕰️ Useful clock feature
- 👍 Immersive and relaxing experience

**What reviewers complain about**

- 🔋 High battery consumption on max settings
- 💰 Additional fish require paid purchases
- 🌱 Lack of plant/natural decor options
- 🐟 Limited variety of standard goldfish

**Reported bugs**

- Occasional crashing on high-end devices

**Requested features**

- Ability to change fish colors
- Add more fish species (e.g. bettas, tetras)
- Implement fish breeding/growth mode
- Allow customizing fish placement in tank
- Add desktop/widget mode for always-on display


## Frequently asked questions

### Is Dancing Particle free?

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

### Is RYUKIN free?

RYUKIN costs $3.49, and also offers in-app purchases.

### Which has better reviews, Dancing Particle or RYUKIN?

RYUKIN is rated higher. Dancing Particle averages 4.8 out of 5 from 102 ratings, while RYUKIN averages 4.9 from 62 ratings.

### Do Dancing Particle or RYUKIN have ads?

Dancing Particle shows ads; RYUKIN does not.

### Which is updated more often, Dancing Particle or RYUKIN?

Dancing Particle ships an update every 4 days, and RYUKIN weekly. Most recently, Dancing Particle was updated on October 14, 2026 and RYUKIN on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*