Dancing Particle vs RYUKIN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dancing Particle
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.
- Interactive particle effects
- Stress relief and relaxation
- Over 50 unique effects
- Dreamlike visual experiences
- Save effects as wallpapers
- Artistic charm
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"Dancing Particle" is an interactive application that combines stress relief, relaxation, and healing. It meticulously presents over 50 unique and engaging particle interaction effects, each carefully crafted to captivate and hold one's attention. With a gentle swipe of your fingertip, countless colorful particles leap onto the screen and dance gracefully. As your fingers touch and slide across the screen, the particles exhibit breathtaking dreamlike effects, as if you're immersed in a magical world. If you find yourself deeply captivated by these dreamy particle effects, simply tap the save button, and they can be transformed into a stunning wallpaper filled with artistic charm. Whether used as a phone background or shared with friends, they will add a unique touch of color to your life. Now, why not put aside your work for a moment and let "Dancing Particle" take you away from the hustle and bustle, forget your worries, and release your stress. Let your mood soar freely with the dance of the particles and immerse yourself in this rare moment of tranquility and relaxation.
RYUKIN
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.
- 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
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~ Gracefully Fluttering Goldfish ~ Goldfish glide gracefully through crystal-clear water, their fins fluttering gently as they swim. Their charming gestures and soft, delicate fin movements have been carefully recreated. Enjoy the beauty of goldfish anytime, anywhere — without the need for water changes or feeding. App Highlights - Fish respond to your touch and follow your finger - Customize tank shape, background color, and floating objects - Soothing water sounds and clear, refreshing visuals - "Cat & Baby Mode" for safe play with kittens and toddlers - Sleep timer for relaxing bedtime use - Play your favorite music while watching the aquarium - Clock and date display - White and black goldfish included; colorful and themed fish available via in-app purchase Settings & Customization - Camera options (Free position / Follow fish / Auto-rotation) - Screen orientation - Tilt sensitivity - Sleep timer - UI size - Toggle water surface, bubbles, and other effects - Adjust brightness, saturation, contrast, and color tone - Quality settings (resolution and various effects) - Volume settings (water sounds, bubble sounds) - Clock & date options (font, position, size) Other Features - Fish, objects, and the water surface respond to touch and device tilt - Fish may whimsically swim toward your finger - Tap too much and the fish may faint! - Feed the fish - Adjust the size of fish and objects - Display up to six fish at once ‥∴ Bringing the Allure of Goldfish Closer ∴‥ This app was born from a childhood dream of recreating goldfish through programming. Fifteen years after the release of the original app *Wa Kingyo*, countless refinements have been made to capture the graceful and charming nature of these fish. From the gentle movement of their fins to the way they chase and munch on food, experience the beauty and warmth that goldfish bring. News and Support X: @m_hakozaki TikTok: @m_hakozaki Instagram: @masataka.hakozaki
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Dancing Particle | RYUKIN |
|---|---|---|
| Price | Free — better | $3.49 |
| Rating | 4.8 (102 ratings) | 4.9 (62 ratings) — better |
| Positive reviews | 85.7% of reviews | 94.0% of reviews — better |
| Number of ratings | 102 — better | 62 |
| Update frequency | Every 4 days — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 90 MB | 227 MB |
| Age rating | 4+ | 4+ |
| Developer | 亚杰 刘 | Masataka Hakozaki |
Customer experience
Dancing Particle
RYUKIN
Bugs and requests
Dancing Particle
Not enough reviews yet to summarise bugs or requests.
RYUKIN
Reported bugs
1 issue- Occasional crashing on high-end devices
Requested features
5 requests- 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
In-app purchases
Dancing Particle
- All particle effects$1.99
RYUKIN
- WIREFRAME RAINBOW$0.99
- ROBO FISH 02$1.99
- ROBO FISH 04$1.99
Show 32 moreShow fewer
- ROBO FISH 06$1.99
- GHOST BRIDE$1.99
- BAT FISH$1.99
- CALICO ORANGE/WHITE/BLACK$1.99
- BLACK WHITE KITTY FISH$1.99
- GHOST TRANSLUCENT$1.99
- BLACK KITTY FISH$1.99
- WHITE KITTY FISH$1.99
- ROBO FISH 03$1.99
- GHOST BLACK$1.99
- ROBO FISH 01$1.99
- ORANGE & WHITE KITTY FISH$1.99
- RED RYUKIN$1.99
- RED-WHITE RYUKIN$1.99
- CALICO RED/WHITE/BLACK$1.99
- ORANGE/WHITE$1.99
- CALICO RED/GRAY/BLACK$1.99
- YELLOW GOLD RYUKIN$1.99
- RED CAP ORANDA$1.99
- RED/WHITE II$1.99
- LIONHEAD ORANGE/WHITE/BLACK$1.99
- GHOST LUMINOUS$1.99
- BLACK RYUKIN$1.99
- CALICO KITTY FISH$1.99
- GRAY WHITE KITTY FISH$1.99
- WHITE VAMPIRE$1.99
- BLACK VAMPIRE$1.99
- BLACK WITCH$1.99
- WHITE WITCH$1.99
- ZOMBIE FISH$1.99
- SKELETON FISH$1.99
- PANDA TELESCOPE$1.99
Questions
Is Dancing Particle free?
Is RYUKIN free?
Which has better reviews, Dancing Particle or RYUKIN?
Do Dancing Particle or RYUKIN have ads?
Which is updated more often, Dancing Particle or RYUKIN?
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