247+ iOS apps & games curated and reviewed
The best ocean blue fish apps and games on iPhone average 4.1★ across 247+ 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 | — | No | No | Aug 2026 |
| 2 |  | Free | 3.3★ (6) | No | No | May 2026 |
| 3 |  | Free | 4.0★ (5) | No | No | May 2026 |
| 4 |  | Free | 5.0★ (3) | No | No | May 2026 |
| 5 |  | Free | 4.5★ (1.1K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | — | No | No | Jun 2026 |
| 7 |  | Free | 3.8★ (1.1K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (910) | Yes | Yes | Aug 2026 |
Explore a vast 3D ocean as a predator fish, hunting, fighting, and even starting a family. This game offers an immersive underwater adventure with simple controls and a variety of activities.
Navigate a deep ocean environment, tapping to steer your diver through numerous obstacles. Enjoy this free game experience with simple, intuitive controls.
Explore the world of saltwater fishkeeping with this app. Learn about various species, their care requirements, and compatibility for a thriving aquarium. Discover aquacultured and ethically sourced fish for your home.
Embark on an underwater adventure as a small fish, eating to grow larger and stronger. Explore vibrant ocean depths, evolve your character, and survive against predators. This offline game offers simple controls and stunning graphics for a relaxing yet engaging experience.
Control a growing aquatic creature, starting as a small fish and evolving into larger predators. Consume everything in your path to increase your size and unlock new playable characters with unique origins and abilities. Experience an ocean of endless consumption and growth.
Embark on an underwater adventure to collect over 100 unique sea creatures and build your dream coral garden. Experience heartwarming interactions with your aquatic friends and enjoy idle progression as your garden flourishes.
Access professional-grade satellite data for offshore fishing, including sea temperature, chlorophyll, and bathymetry maps. This app provides real-time ocean intelligence and navigation tools, all available offline.
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.
Embark on an underwater adventure as a small fish, growing by consuming smaller creatures and avoiding larger predators. Navigate a vast ocean world, utilize helpful props, and strive to become the ultimate ruler of the sea.
Access tide predictions for over 3,300 stations across the US and Caribbean. Visualize tide data with stunning graphics and an interactive almanac. Plan your activities with offline access to predictions and custom notes.
Manage and grow your marine reef aquarium with this comprehensive app. Track water parameters, access detailed species information, and connect with a community of enthusiasts. Offers guidance for beginners and opportunities to win prizes.
Become a predator in a vibrant underwater world. Hunt for smaller fish to grow and survive, while avoiding larger predators. Experience a relaxing yet engaging fishing adventure.
Engage in a thrilling multiplayer arena as a shark with a sword. Hunt other fish, collect trophies, and consume sushi to grow stronger. Dominate the ocean and become the king of the sea in this free-to-play IO game.
Engage in a relaxing underwater tile-matching puzzle game. Match three identical cute fish tiles to clear the board and progress through challenging levels. Enjoy vibrant graphics and daily challenges with coin rewards.
Embark on a relaxing journey across the blue ocean, engaging in fishing and deep-sea diving to discover diverse marine life. Customize your diver, play mini-games, and enjoy this idle healing experience offline.
Learn to identify various fish species with this educational app. It offers audio pronunciation, study modes, quizzes, and bookmarking to help users memorize fish types effectively. Track your progress through chapters and overall learning.
Embark on an underwater adventure as a fish, exploring the ocean's depths. Navigate challenges, evade predators, and complete missions to survive. Experience a realistic ocean environment with dynamic movements and aquatic landscapes.
Navigate the ocean's food chain, starting as a small fish and growing by eating smaller prey. Evade larger predators and evolve into the ultimate ocean dominator. Discover random power-ups to enhance your survival.