249+ iOS apps curated and reviewed
The best fish tank log apps on iPhone average 4.4★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (6) | No | Yes | Sep 2026 | |
| 2 |  | Free was $7.99 | 4.9★ (260) | Yes | Yes | Aug 2026 | |
| 3 |  | Free | 4.2★ (263) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.3★ (185) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.2★ (14K) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.3★ (54) | No | No | Aug 2026 | |
| 7 |  | Free | 4.4★ (21) | No | Yes | Sep 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 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 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.
