195+ iOS apps & games curated and reviewed
Idle Aquarium is the household name in fish aquarium idle, but it's far from the only option. We track 195+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (4.9K) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.7★ (911) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.8★ (5.6K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.5★ (24K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.8★ (191) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.0★ (6) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.1★ (14) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.6★ (6.5K) | Yes | Yes | Jul 2026 |
Build and manage a thriving aquarium, attracting visitors and collecting diverse aquatic life. Upgrade exhibits, research marine species, and expand your facilities to earn money and become a wealthy aquarium tycoon.
Build and manage your own underwater world by creating a diverse aquarium. Feed your fish, attract visitors, and expand your park with various sea creatures to become an aquarium tycoon.
An idle tycoon fishing game where you catch various fish, upgrade your equipment, and explore different locations. Aim to become the ultimate king of fish hunting in this engaging simulation.
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.
Build and manage a global aquarium business empire. Earn money, invest wisely, and automate your workflow to become an idle tycoon. Enjoy a fun minigame to catch special fish and treasures.
Embark on a relaxing fishing journey, collecting diverse fish species across beautiful pixel art worlds. Manage and upgrade your gear and boats to maximize your catch and profits. Customize your own aquariums to showcase your discoveries and create a tranquil underwater haven.
Create and manage your own 3D aquarium, raising fish from babies to adults. Customize your underwater world with vibrant backgrounds and decorations, and interact with friends' aquariums. Buy, sell, and collect a variety of marine life.
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.
Embark on an idle fishing adventure, hiring and training anglers to boost efficiency. Upgrade your boat and equipment to explore deeper waters, catch more impressive fish, and build a thriving fishing empire. Expand your business by running a seafood restaurant and become a true fishing tycoon.
Build and manage a vibrant underwater world, collecting over 70 unique fish in stunning 3D. Engage in interactive fishing, battle other fish with special attacks, and play fun minigames to earn rewards. Decorate your tank and raise legendary creatures for a relaxing aquarium adventure.
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.
This app helps aquarium owners plan their tanks and avoid common mistakes. It checks fish compatibility and tank stocking levels, offering information on over 1000 fish species. You can save and share your aquarium setups.
Create and decorate a tranquil aquarium filled with adorable sea creatures. This idle game offers a relaxing escape with simple tap controls, classical music, and engaging episodes. Grow your underwater world at your own pace.
Create and manage your own unique underwater world. Collect and nurture a diverse range of sea creatures, including rare species, in a relaxing and easy-to-play simulation game. Engage in missions and enjoy a tranquil digital escape.
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 care for over 400 species of fish in a virtual aquarium. Solve genetic puzzles to discover 7 magical fish and manage your business by selling your creations. The game progresses in real time, even when offline.
Build and manage your own underwater world by collecting various fish and sea creatures. Expand your aquarium, attract visitors, and earn money to upgrade your park and discover new aquatic life. Become the ultimate zoo tycoon in this addictive simulation game.