250+ iOS apps curated and reviewed
The best fish tank log apps on iPhone average 4.4★ across 250+ 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 | 5.0★ (6) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.2★ (14K) | No | Yes | Sep 2026 |
| 3 |  | Free | 4.2★ (263) | No | Yes | Aug 2026 |
| 4 |  | Free was $7.99 | 4.9★ (260) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.3★ (185) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.3★ (54) | No | No | Aug 2026 |
| 7 |  | Free | 3.0★ (2) | No | Yes | Jul 2026 |
| 8 |  | Free | — | Yes | Yes | Jul 2026 |
This app helps aquarium enthusiasts track and manage their tanks. Log water parameters, schedule maintenance reminders, and record tank activities. An AI assistant provides guidance and answers questions to ensure consistent aquarium care.
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.
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.
This app helps aquarists of all levels manage and monitor their tanks. It offers features to organize notes, track water parameters with detailed graphs, and manage photos of aquatic life. Stay on top of your aquarium's health and history with this intuitive journaling tool.
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.
Easily manage your saltwater aquarium with this intuitive log and inventory app. Track livestock, water changes, equipment, and observations with a timeline-based interface. Ideal for reef keepers who want to document their tank's history.
Easily manage your aquarium hobby with this comprehensive tracking tool. Log water changes, document your aquascaping progress with photos, and maintain a detailed inventory of your fish and plants. Receive smart reminders to ensure your aquatic ecosystem thrives.
Record your fishing sessions, track catches, and discover patterns with this easy-to-use logbook. Log every catch with photos and details, including GPS location, weather, and lunar data. Unlock valuable insights and manage your complete fishing history.
This app helps aquarium enthusiasts track water chemistry, identify fish and plants from photos, and manage tank maintenance. It offers AI-powered guidance based on your aquarium's history, supporting both freshwater and saltwater setups. Plan layouts and monitor livestock for healthier aquatic environments.
Instantly identify aquatic life and read water test strips using AI. This app helps you track tank parameters, diagnose health issues, and maintain a detailed, tamper-proof log of all aquarium activities to prevent problems before they arise.
