Best Fish Tank Tracker Apps

249+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated August 2026

Looking for free fish tank tracker apps? 19 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Fish Tank Tracker Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Aquarium Guide Fish IdentifierAquarium Guide Fish IdentifierFree4.2★ (14K)NoYesSep 2026
2Aquarium Log - Tank ManagerAquarium Log - Tank ManagerFree was $7.994.9★ (260)YesYesAug 2026
3Aquarium Manager: Tank LogAquarium Manager: Tank LogFree4.3★ (185)YesYesAug 2026
4Fishi: Aquarium ManagerFishi: Aquarium ManagerFree4.6★ (529)YesYesAug 2026
5Fish Tank LogFish Tank LogFree5.0★ (6)NoYesAug 2026
6AquaKeeper — Fish Tank TrackerAquaKeeper — Fish Tank TrackerFreeYesYesAug 2026
7Fish Tank TrackerFish Tank TrackerFreeNoYesAug 2026
8Aquarium Tracker - AcuaryoAquarium Tracker - AcuaryoFree5.0★ (2)YesYesAug 2026

Top Picks for Fish Tank Tracker

Aquarium Guide Fish Identifier#1

Aquarium Guide Fish Identifier by Tayson Nguyen

Tank Manager, Planner & Guide
Editor's Choice
🔍 Reference
4.2😐(14K ratings)
FreeIn-App Purchases
Aquarium Guide Fish Identifier screenshot 1
Aquarium Guide Fish Identifier screenshot 2
Aquarium Guide Fish Identifier screenshot 3
Aquarium Guide Fish Identifier screenshot 4
Aquarium Guide Fish Identifier screenshot 5

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.

What We Love

  • 👍 Helpful for beginners
  • 📊 Provides useful information about fish
  • 🗂️ Good for tracking aquarium setup
  • 🎨 Visually appealing interface

Room to Improve

  • 🔒 Locked features require payment
  • 🔍 Limited fish and plant selection
  • 🔢 Inaccurate tank size recommendations
Aquarium Log - Tank Manager#2

Aquarium Log - Tank Manager by Ko Hyunshik

Simple Aquarium Journal App
Strong Contender
📊 Productivity
4.9😊(260 ratings)
FreeAdsIn-App Purchases
Aquarium Log - Tank Manager screenshot 1
Aquarium Log - Tank Manager screenshot 2
Aquarium Log - Tank Manager screenshot 3
Aquarium Log - Tank Manager screenshot 4
Aquarium Log - Tank Manager screenshot 5
Aquarium Log - Tank Manager screenshot 6

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.

What We Love

  • 👍 Helpful for tracking tank parameters and maintenance
  • 🚀 Customizable and flexible
  • 💡 Integrated community and Q&A
  • 🗓️ Useful reminders and scheduling

Room to Improve

  • 🐛 Occasional bugs and issues with data saving
  • 📢 Ads can be intrusive
  • 🤔 Unintuitive user interface in some areas
Aquarium Manager: Tank Log#3

Aquarium Manager: Tank Log by Heitz Bruno

Fish, plant & water keeping
Worth Considering
🏥 Medical
4.3(185 ratings)
FreeAdsIn-App Purchases
Aquarium Manager: Tank Log screenshot 1
Aquarium Manager: Tank Log screenshot 2
Aquarium Manager: Tank Log screenshot 3
Aquarium Manager: Tank Log screenshot 4
Aquarium Manager: Tank Log screenshot 5
Aquarium Manager: Tank Log screenshot 6

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.

More Fish Tank Tracker apps to explore

4
Fishi: Aquarium Manager
Fishi: Aquarium Manager
Fishi: Aquarium Manager
Digital Tank Log
Free

Manage and track all your exotic pets and their habitats. Discover new species, monitor environmental conditions, and receive care reminders to ensure your animals thrive. Perfect for both new and experienced pet keepers.

Pet trackingSpecies discoveryHabitat health monitoring
🔍 Reference
(529)
subscription
5
Fish Tank Log
Fish Tank Log
Fish Tank Log
Aquarium Care & Reminders
Free

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.

Create profiles for multiple tanksTrack water parameters with chartsSet maintenance reminders
🔧 Utilities
(6)
freemium
6
AquaKeeper — Fish Tank Tracker
AquaKeeper — Fish Tank Tracker
AquaKeeper — Fish Tank Tracker
Aquarium Log & Cloud Sync
Free
🔧 Utilities
(0)
7
Fish Tank Tracker
Fish Tank Tracker
Fish Tank Tracker
Aquarium Log & Parameters
Free
🔧 Utilities
(0)
8
Aquarium Tracker - Acuaryo
Aquarium Tracker - Acuaryo
Aquarium Tracker - Acuaryo
Fish, Plants & Water Health
Free

Organize and track all your aquarium logs, parameters, and maintenance tasks in one place. This personal assistant helps you monitor livestock, water quality, and essential care routines to ensure a healthy and thriving aquatic environment.

Organize multiple aquariumsManage livestock and healthTrack water parameters
🌟 Lifestyle
(2)
free with in-app purchases
9
AquaTrack: Aquarium Tracker
AquaTrack: Aquarium Tracker
AquaTrack: Aquarium Tracker
Manage Tanks & Parameters
Free

This app simplifies aquarium management for hobbyists of all levels. Track multiple tanks, log water parameters, and set customizable maintenance schedules with task reminders. Enjoy a beautiful interface designed by aquarium owners.

Multi-tank managementCustomizable maintenance schedulesParameter tracking
🔧 Utilities
(10)
free with in-app purchases
10
AquaTrack - Aquarium Tracker
AquaTrack - Aquarium Tracker
AquaTrack - Aquarium Tracker
by Aurelian Syndicate L.L.C.
Free

Log water parameters, manage maintenance schedules, and visualize trends for your fish tanks. Get reminders for tasks and gain insights into your aquarium's health. Designed for simplicity and focus.

Log water parameters (pH, ammonia, etc.)Schedule and manage maintenance tasksVisualize parameter trends with charts
🔧 Utilities
(1)
freemium
11
Aquarium Tracker - Fish Tank
Aquarium Tracker - Fish Tank
Aquarium Tracker - Fish Tank
Water Tests & Smart Alerts
Free

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.

Water parameter logging (pH, ammonia, nitrate, etc.)Smart alerts for critical water valuesAI-powered fish species identification
🔧 Utilities
(1)
free
12
Pixfin: Fish Tank Pet Tracker
Pixfin: Fish Tank Pet Tracker
Pixfin: Fish Tank Pet Tracker
Walk & Drink Water, Grow Fish
Free
💪 Health & Fitness
(0)
13
Aquarium Tracker: Tank Manager
Aquarium Tracker: Tank Manager
Aquarium Tracker: Tank Manager
Water Tests, Tasks & Livestock
Free

This app helps aquarium enthusiasts maintain healthy and stable aquatic environments. It allows users to track water parameters, log tests, manage livestock, and schedule essential care tasks for multiple tanks.

Track water parametersLog water tests with historyManage multiple fish tanks
📊 Productivity
(2)
freemium
14
AquaLog: Aquarium Tank Tracker
AquaLog: Aquarium Tank Tracker
AquaLog: Aquarium Tank Tracker
Water Tests, Care & Reminders
Free
🌟 Lifestyle
(0)
15
ReefKeeper: Aquarium Tracker
ReefKeeper: Aquarium Tracker
ReefKeeper: Aquarium Tracker
Aquarium Logbook & Alerts
Free
🌟 Lifestyle
(0)
16
TankDiary: Aquarium Tracker
TankDiary: Aquarium Tracker
TankDiary: Aquarium Tracker
Water Parameter & Tank Log
Free
🌟 Lifestyle
(0)
17
Aquario: Aquarium Manager Pro
Aquario: Aquarium Manager Pro
Aquario: Aquarium Manager Pro
Fish Tank Setup & Fish Care
Free
🌟 Lifestyle
(0)
18
ReefLog: Reef Tank Tracker
ReefLog: Reef Tank Tracker
ReefLog: Reef Tank Tracker
Ca · Alk · Mg · Water Changes
$4.99
⚽ Sports
(0)
19
Frag: Aquarium & Reef Tracker
Frag: Aquarium & Reef Tracker
Frag: Aquarium & Reef Tracker
Water Test Log & Tank Trends
Free
🌟 Lifestyle
(0)
20
ReefMate: Aquarium Tracker&Log
ReefMate: Aquarium Tracker&Log
ReefMate: Aquarium Tracker&Log
Reef & Aquarium Management
Free
🔧 Utilities
(0)

FAQ about Fish Tank Tracker

What are the best fish tank tracker apps for iPhone?
Aquarium Guide Fish Identifier tops our fish tank tracker apps ranking as of August 2026, with a 4.2-star average from 14K App Store ratings, and it's free to download.
Yes — 19 of the top fish tank tracker apps we rank are free to download, including Aquarium Guide Fish Identifier and Aquarium Log - Tank Manager.
Aquarium Guide Fish Identifier has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ fish tank tracker apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you plan your aquarium by checking fish compatibility and ensuring your tank is not overcrowded. It provides detailed information on over 1000 fish species, including their temperament, care difficulty, size, and average cost. You can also save and share your planned aquarium setups.
Simply select the size of your tank, choose the types of fish you want, and specify the quantity of each. The app will then analyze your selections and warn you of any incompatibilities between the chosen fish species.

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