RYUKIN app icon

Apps Like RYUKIN for iPhone and iPad

Watch goldfish swim and glide gracefully

View a serene aquarium with lifelike goldfish swimming through clear water. Interact by touching fish to guide their movement. Customize tank appearance with adjustable shapes, backgrounds, and floating items.

by Masataka Hakozaki★ 4.962 ratingsEntertainment$3.49Data updated 2026-10-27

RYUKIN screenshots

Ranked alternatives

Showing 221–240 of 1,000 ranked alternatives.

  1. i Fishing Fly Fishing Lite app icon

    i Fishing Fly Fishing Lite

    Chris Egerter

    Fish rivers and streams for trout.

    The app allows users to fish for trout and other freshwater species in rivers and streams. Users can use the iPhone's accelerometer to cast and fight fish, and share catches on social media.

    ★ 4.5601 ratingsGamesFreeData updated 2026-09-19
  1. Ultimate Sea Monster 2016 app icon

    Ultimate Sea Monster 2016

    Tap2Play, LLC

    Feed, hunt, and survive underwater

    Play as a prehistoric sea hunting in an underwater environment. Attack boats, ships, and ski jets. Search reefs and oceans for targets. Locate and attack humans on beaches. Use massive jaws to drag prey into the water.

    ★ 4.3188 ratingsGamesFreeData updated 2026-09-11
  2. Real Fish Simulator app icon

    Real Fish Simulator

    NEONWINGS YAZILIM BILISIM TEKNOLOJILERI SANAYI VE TICARET LIMITED SIRKETI

    Control your and explore the ocean depths

    Control a to swim through deep sea environments. Navigate around sharks, turtles, starfish, and blowfish. Escape predators, rescue sea creatures, and complete missions. Adjust movement and speed to avoid dangers and progress through levels.

    ★ 2.7119 ratingsGamesFreeData updated 2026-09-11
  3. Greentest app icon

    Greentest

    Shenzhen Greentest Science and Technology Co.Ltd

    ★ 3.02 ratingsHealth & FitnessFreeData updated 2026-09-12
  4. Gravity Free - Light Particles Manipulation App app icon

    Gravity Free - Light Particles Manipulation App

    Kfirapps Limited

    Guide stars through art and science.

    The app offers a relaxing experience by combining music, art, and science. Users can create ten distinct animations by touching the screen with one to ten fingers, each producing a unique visual effect.

    ★ 4.292 ratingsEntertainmentFreeData updated 2026-10-11
  5. Assistant for Stardew Valley app icon

    Assistant for Stardew Valley

    ITHERSTA LLP

    Browse game encyclopedia and track farm progress

    Browse game encyclopedia entries for crops, fish, items, and characters. Track NPC schedules to plan interactions. Manage task repetitions and monitor completion status to improve farming efficiency.

    ★ 4.9312 ratingsReference$3.99Data updated 2026-11-08
  6. Kid-E-Cats Sea Adventure Games app icon

    Kid-E-Cats Sea Adventure Games

    LCPGAME OU

    Set sail and explore the sea

    Choose a ship type to start a sea . Navigate through challenges and search for a hidden treasure chest. Collect items, solve puzzles, and complete missions. Unlock different ship styles and progress through levels.

    ★ 4.6444 ratingsGamesFreeData updated 2026-09-15
  7. Shark Fingers! 3D Interactive Aquarium FREE app icon

    Shark Fingers! 3D Interactive Aquarium FREE

    Useless Creations Pty Ltd

    Feed friends to the sharks

    Users can customize their background with a live camera feed or image, select a friend to feed to sharks, and tap to activate the feeding action. The includes elements and allows users to upgrade for additional features.

    ★ 3.8208 ratingsEntertainmentFreeData updated 2026-09-08
  8. Tropical Resort Story app icon

    Tropical Resort Story

    Kairosoft Co.,Ltd

    Build resorts and manage guests

    Create and customize a island with accommodations, landscaping, and attractions. Improve water quality by adding marine plants. Design travel packages and manage guest experiences to enhance visitor satisfaction.

    ★ 4.9285 ratingsGames$5.99Data updated 2026-09-06
  9. CAT ALONE 2 - Cat Toy app icon

    CAT ALONE 2 - Cat Toy

    GALBRO INC.

    A sequel cat toy application for pets.

    The app offers 10 unique stages for cats to interact with. Users can leave their cat with the device running the application and utilize the Selfie mode to capture hunting moments.

    ★ 3.931 ratingsEntertainmentFreeData updated 2026-11-03

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.