238+ iOS apps & games curated and reviewed
CoralKeep is the household name in fish tank clean, but it's far from the only option. We track 238+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | Jul 2026 |
| 2 |  | Free | — | — | No | Jul 2026 |
| 3 |  | Free | 4.5★ (348) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 5 |  | Free | — | No | Yes | Jun 2026 |
| 6 |  | Free | — | No | Yes | Aug 2026 |
| 7 |  | Free | 2.5★ (8) | No | No | May 2026 |
| 8 |  | Free | 4.2★ (253) | No | Yes | Aug 2026 |
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.
Monitor your aquarium's water quality with detailed tracking and smart alerts. Identify fish species from photos, check compatibility, and get reminders for essential maintenance to keep your aquatic life healthy.
Design and manage your own virtual aquarium. Decorate with plants and pets, but ensure they thrive. A relaxing simulation game for creative players.
Manage and build your fish tank with this comprehensive app. Features include fish compatibility, water parameter logging, task reminders, and AI chat support to ensure a healthy and educational aquarium hobby.
Transform your device into a stunning, dynamic aquarium with high-definition ocean scenes. Enjoy relaxing ambient sounds or play your own music. Features include a sleep timer and flashlight, perfect for background ambiance.
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.
Easily care for beautiful betta fish in a virtual aquarium. Watch them grow, customize their appearance, and enjoy them as a decorative table clock. This app offers a relaxing way to experience pet ownership without the real-world commitment.
Easily maintain a virtual freshwater tropical fish tank on your smartphone. Enjoy beautiful 3D graphics of fish and plants, with simple controls for feeding and cleaning. Includes a clock mode and a notification system to help you remember daily care.
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.
Manage and monitor freshwater or marine aquariums with detailed tracking of fish, plants, and equipment. Log water parameters, visualize trends with charts, and maintain a history of all tests and measurements. Plan and receive reminders for maintenance tasks and important events.
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.
This app provides comprehensive compatibility data for various aquarium fish species, helping you determine if they will coexist peacefully. It also offers reef safety information for saltwater fish to protect your coral. Users can perform direct comparisons between two fish species.
Effortlessly manage your aquarium's water quality with AI. Snap photos of test strips or liquid kits, and get instant, clear instructions to keep your aquatic life healthy and thriving.
Design and manage your own virtual aquarium. Breed diverse fish species, decorate your tank with various items, and ensure your fish are happy and healthy. Discover all the unique fish breeds available in this engaging simulation game.
Experience the tranquility of a virtual aquarium on your smartphone. Easily care for beautiful goldfish with simple controls and enjoy them as a decorative table clock. Earn points to unlock new fish and backgrounds, even if you're short on time.
Breed, collect, and sell over 1,200 unique fish across three themed aquarium stores. Discover new species through breeding, manage different currencies, and enjoy a lifelike 3D aquarium experience. This game offers endless fish to discover and catalog.