Version history
RYUKIN
32
ASO score
Text
21/100
Reviews
60/100
Graphic
46/100
Other
0/100
App Rating
4.9
Votes
9.84K
App Age
1 year 10m
Last Update
Dec 14, 2025
iAP
$1.99 - 1.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Installs
|
5.1K
|
78.5M
|
-100%
|
|
Rating
|
4.85
|
4.33
|
+12%
|
|
Number of Ratings (Voted)
|
5.9K
|
86.8M
|
-100%
|
|
App Age
|
1y 9m
|
3y 6m
|
-49%
|
|
Price
|
$3
|
$0
|
|
|
In-app Purchases Price
|
$2
|
$135
|
-99
%
|
|
Update Frequency
|
20d
|
101d
|
-80%
|
|
Title Length
|
6
|
26
|
-77%
|
|
Short Description Length
|
30
|
58
|
-48%
|
|
Description Length
|
1 977
|
2 233
|
-11%
|
|
Number of Screenshots
|
648
|
876
|
-26
%
|
|
Has Video?
|
No
|
0% has videos
|
|
|
Size
|
0MB
|
0MB
|
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 18, 2025 | Dec 25, 2025 |
|---|---|---|
|
No results were found!
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| Top | Dec 18, 2025 | Dec 25, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 18, 2025 | Dec 25, 2025 |
|---|---|---|
|
No results were found!
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||
| Top | Dec 18, 2025 | Dec 25, 2025 |
|---|---|---|
|
No results were found!
|
||
Downloads
Downloads Graph
Total
5.1K
Last month
117
Text ASO
Title
(
Characters:
6
of 50
)
RYUKIN
Short Description
(
Characters:
30
of 80
)
Gracefully Fluttering Goldfish
Description
(
Characters:
1977
of 4000
)
～ 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}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 9.84K |
| Google Play Link: | |
| Price: | 4.03 $ |
| Website: | |
| Email: | |
| Privacy Policy: | |
| Categories: | Entertainment |
| Size: | - |
| iAP: | 1.99 - 1.99 $ |
| Installs: | 5.09K |
| App Age: | 1 year 10 months |
| Release Date: | Mar 07, 2024 |
| Last Update: | Dec 14, 2025 |
| Version: | 1.13.6 |
Version history
1.13.6
Dec 14, 2025
- Made various minor adjustments.
1.13.5
Dec 03, 2025
- Added support for split-screen mode.<br>- Improved fin movements.<br>- Made minor adjustments.