241+ iOS apps & games curated and reviewed
The best koi pond apps and games on iPhone average 4.2★ across 241+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (30K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 3.3★ (294) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.7★ (2.1K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 3.3★ (6) | No | No | Aug 2026 |
| 5 |  | Free | 3.8★ (342) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.0★ (8) | Yes | No | Aug 2026 |
| 7 |  | Free | 3.0★ (2) | Yes | No | May 2026 |
| 8 |  | Free | 4.8★ (4.8K) | No | No | Aug 2026 |
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.
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 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.
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.
Create and customize your own tranquil koi pond. Interact with fish, decorate your garden, and discover rare breeds. Visit other ponds for inspiration and enjoy a peaceful, ad-free Zen experience.
Design and maintain your own virtual koi pond. Care for your fish, customize the environment, and enjoy a peaceful, interactive aquarium experience.
Interact with digital koi by feeding them. Enjoy a simple, relaxing experience designed to be played with.
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.
Create and nurture your own virtual koi pond. Customize fish, environments, and watch them grow. This relaxing app offers a serene escape with beautiful graphics and calming sounds.
Create a serene digital pond with swimming koi, customizable backgrounds, and natural soundscapes. Interact with the fish, add flowers, and enjoy a stress-relieving visual and auditory experience.
An idle, relaxing game designed to relieve stress and calm the mind. Expand your aquarium, invite adorable fish friends, and enjoy a peaceful experience. Watch your underwater world grow and feel your worries melt away.
This is a relaxing digital pond experience where you can interact with four unique fish. Collect bubbles to unlock new themes and decorations, and discover special photo memories as the fish get to know you. Enjoy offline play with no pressure.
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.
This app helps you diagnose and solve common koi pond issues like cloudy water or sick fish. By analyzing pond conditions and fish details, it provides tailored advice for maintaining a healthy aquatic environment.
Add charming Koi Pond scenes to your messages. These cute stickers can be tapped to add, or peeled, placed, layered, scaled, and rotated for dynamic conversations.