# RYUKIN

> Gracefully Fluttering Goldfish

Canonical page: [https://chrome-stats.com/d/id6471839445](https://chrome-stats.com/d/id6471839445)

## Overview

- **ID:** `id6471839445`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Masataka Hakozaki
- **Category:** Entertainment
- **Rating:** 4.90 / 5 (62 ratings)
- **Version:** 1.14.5
- **Last updated:** 2026-07-19
- **First published:** 2024-03-12
- **Size:** 225 MB
- **Data as of:** 2026-09-24
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/ryukin/id6471839445)
- **Website:** [https://hacoapp.com](https://hacoapp.com/)
- **Privacy policy:** [https://hacoapp.com/ryukin/privacy\_policy.html](https://hacoapp.com/ryukin/privacy_policy.html)

## Description

RYUKIN – Gracefully Fluttering Goldfish brings a serene, interactive aquarium to your Chrome browser. Watch goldfish glide with graceful fins as you touch the screen, customize the tank, and enjoy calming water visuals and sounds. Safe for kids with a Cat & Baby Mode, sleep timer for bedtime, and the option to play your own music while you watch.

Customize every detail—from tank shape and background color to floating objects and water effects. Fine-tune camera options, tilt sensitivity, orientation, brightness, and color tone, and display up to six fish at once. White and black goldfish are included with themed options via in-app purchases. This project honors a childhood dream inspired by Wa Kingyo, refined over years to bring the allure of goldfish closer.

## Rankings

- #158,343 — Overall

## Review summary

RYUKIN is overwhelmingly praised for its calming, immersive experience. Reviewers highlight stunning visuals, lifelike fish movement, and a soothing water environment. The app excels in customization, the ability to use it as a wallpaper or desk clock, and solid value with ongoing updates. A few users request more color options, greater depth in the aquarium, and bundled fish purchases, but no major drawbacks are reported.

### Pros

- Calming, soothing experience that helps with stress or exhaustion.
- Beautiful, lifelike visuals including animations, lighting and realistic fish movement.
- Rich customization and immersion with many environment options.
- Great value for price with ongoing updates and a dedicated developer.
- Versatile as a background wallpaper or desk clock, providing relaxing ambiance.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6471839445)