RYUKIN1.14.0
Publisher Description
~ 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- Added low-poly goldfish
- Added new objects
- Added fish, camera view, and object position memory per aquarium
- Added an overall size adjustment for fish and objects
- Added UI background panel transparency adjustment
- Added tone curve adjustments
- Added a setting to lock the sound environment (underwater / above water)
- Other minor adjustments
About RYUKIN
The company that develops RYUKIN is Masataka Hakozaki. The latest version released by its developer is 1.14.0.
To install RYUKIN on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-03-01 and was downloaded 1 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the RYUKIN as malware if the download link is broken.
How to install RYUKIN on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the RYUKIN is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After RYUKIN is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.14.0
posted on 2026-03-01
- Added low-poly goldfish
- Added new objects
- Added fish, camera view, and object position memory per aquarium
- Added an overall size adjustment for fish and objects
- Added UI background panel transparency adjustment
- Added tone curve adjustments
- Added a setting to lock the sound environment (underwater / above water)
- Other minor adjustments
version 1.13.6
posted on 2025-12-14
- Made various minor adjustments.



