202+ iOS apps & games curated and reviewed
Looking for free koi pond fish apps and games? 19 of our 202+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (8) | Yes | No | May 2026 |
| 2 |  | Free | 3.3★ (288) | No | Yes | Jun 2026 |
| 3 |  | Free | 4.8★ (29K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 3.3★ (6) | No | No | May 2026 |
| 5 |  | Free | 4.7★ (2K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 3.3★ (25) | Yes | No | May 2026 |
| 7 |  | Free | 4.5★ (400) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.6★ (6.5K) | Yes | Yes | Jul 2026 |
Design and maintain your own virtual koi pond. Care for your fish, customize the environment, and enjoy a peaceful, interactive aquarium experience.
Cultivate a vibrant aquatic ecosystem by raising, feeding, and breeding thousands of unique koi. Decorate your pond, interact with your fish, and explore friends' creations. Discover new koi through fishing and enjoy a serene, ad-free experience.
Nurture and breed vibrant koi, guiding them through a serene journey to transform into majestic dragons. Customize your underwater sanctuary and create unique constellations in a breathtaking celestial realm.
Immerse yourself in a tranquil digital koi pond. Interact with beautiful fish, customize your environment with various backgrounds and flora, and enjoy a rich selection of natural soundscapes for a stress-relieving and uplifting experience.
Nurture and collect vibrant Koi fish in a serene underwater world. Watch them grow, evolve into majestic dragons, and discover hundreds of unique varieties. Share your collection with friends and enjoy a calming, visually stunning experience.
Discover, collect, and breed beautiful koi fish to populate your virtual pond in this relaxing idle game. Progress through hundreds of levels and enjoy stress-free sounds for a calming experience.
Experience a tranquil Japanese-style painting come to life with elegantly swimming goldfish. Interact by scattering flower-shaped bait and enjoy the calming ripple effects of the water. Customize backgrounds and sound for a personalized, peaceful atmosphere.
Create and manage your own vibrant 3D aquariums filled with a vast array of marine life. Buy, breed, and sell fish to expand your collection, customize your tanks with decorations, and enjoy realistic fish behavior and interactions.
This premium, single-player game offers a serene escape with mesmerizing koi breeding and collection. Enjoy tranquil gameplay, enchanting music, and a visually stunning experience without ads or in-app purchases. Perfect for relaxation and mindful breaks.
Experience a vibrant 3D aquarium on your device. Watch realistic fish swim and interact with them by touching the screen. Customize your aquarium with any image from your photo library and enjoy the immersive, water-filled environment.
Experience a vibrant, interactive 3D aquarium on your device. Watch realistic fish swim, interact with them by touching the screen, and even download new species. Personalize your aquarium with custom backgrounds from your photo library.
Breed and sell virtual fish to upgrade your aquarium and store. Discover over 400 unique species, nurture them with magical plants, and decorate your tank. Become the ultimate fish store tycoon in this real-time simulator.
Discover and nurture an enchanted fish pond, collecting a variety of freshwater species like fish, frogs, and turtles. Decorate your sanctuary, learn about your creatures, and participate in events to unlock new content. Enjoy hours of relaxing and cozy gameplay as you prepare your aquatic friends for their release.
Engage in a relaxing virtual fish farming experience with over 3000 unique fish species. Interact with your aquatic pets, decorate their habitats with beautiful backgrounds, and enjoy daily activities and mini-games. Connect with friends to share the fun and discover treasures.
Create and customize your own vibrant underwater world with a vast array of fish, sea creatures, and decorations. Raise and breed exotic fish, discover new species, and connect with a community of fellow aquarium enthusiasts through chat and gifting.
Care for a vibrant ocean reef and collect hundreds of sea creatures. Discover new species, learn facts about marine life, and decorate your sanctuary. Participate in special events and connect with friends to build thriving underwater worlds.
Lead a school of fish to survive in a dangerous ocean. Grow your group, collect eggs, and discover new species while avoiding predators. Enjoy vibrant graphics and engaging missions.
Digitally manage your koi population and pond water quality. Track fish growth, calculate optimal feeding amounts, and monitor water parameters with automated analysis and suggestions. View trends with generated charts and manage multiple ponds.
Instantly identify fish species using your camera and access up-to-date local fishing regulations. Track your catches, log important fishing data, and store your licenses digitally. Premium features offer advanced identification, weather, and expert advice.
Create and manage your own virtual aquarium with realistic 3D fish. Buy, breed, and sell a variety of species, customize your tanks with decorations, and enjoy a lifelike aquatic experience.