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Best Reef Tank Apps

249+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated August 2026

Looking for free reef tank 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 Reef Tank Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ReefBayReefBayFree4.8★ (432)YesYesAug 2026
2Reef Trak - Reef ManagerReef Trak - Reef ManagerFree4.8★ (30)NoYesAug 2026
3Reef Coach – Reef Tank AIReef Coach – Reef Tank AIFree—NoYesJul 2026
4ReefMate: Aquarium Tracker&LogReefMate: Aquarium Tracker&LogFree—NoYesJul 2026
5Reef Tank AddictReef Tank AddictFree—NoNoMay 2026
6Bulk Reef SupplyBulk Reef SupplyFree4.9★ (2.9K)NoNoAug 2026
7Peoples Bank of KentuckyPeoples Bank of KentuckyFree4.8★ (528)YesNoAug 2026
8Reef2ReefReef2ReefFree4.7★ (43)NoNoJul 2026

Top Picks for Reef Tank

ReefBay#1

ReefBay by Toolit Media LLC

Track & Manage Your Reef Tank
Editor's Choice
🌐 Social Networking
4.8😊(432 ratings)
FreeAdsIn-App Purchases
ReefBay screenshot 1
ReefBay screenshot 2
ReefBay screenshot 3
ReefBay screenshot 4
ReefBay screenshot 5

Manage your saltwater aquarium with this app. Track water parameters, log inhabitants, and get task reminders. Connect with a community of hobbyists, explore a marketplace, and access guides for a thriving reef tank.

What We Love

  • 👍 Intuitive and easy-to-use interface
  • 📊 Comprehensive parameter tracking with visual graphs
  • 🌐 Active community for sharing and learning
  • 🛒 Integrated marketplace for buying/selling coral and equipment

Room to Improve

  • 🐛 Coral identification feature is inaccurate
  • 🎨 Inconsistent UI presentation and design
  • ❌ Navigation dead ends and UI issues
Reef Trak - Reef Manager#2

Reef Trak - Reef Manager by Joe Marino

Parameters, Care, Insights
Strong Contender
🌟 Lifestyle
4.8(30 ratings)
FreeIn-App Purchases
Reef Trak - Reef Manager screenshot 1
Reef Trak - Reef Manager screenshot 2
Reef Trak - Reef Manager screenshot 3
Reef Trak - Reef Manager screenshot 4
Reef Trak - Reef Manager screenshot 5

This app helps reef tank enthusiasts manage all aspects of their aquarium, from daily testing and livestock records to equipment tracking and maintenance schedules. It provides tools for data analysis, trend spotting, and preventing costly mistakes, offering both free and premium features.

More Reef Tank apps to explore

4
ReefMate: Aquarium Tracker&Log
ReefMate: Aquarium Tracker&Log
ReefMate: Aquarium Tracker&Log
Reef & Aquarium Management
Free
🔧 Utilities
(0)
5
Reef Tank Addict
Reef Tank Addict
Reef Tank Addict
by J. Louis Technology, Inc.
Free
🔍 Reference
(0)
6
Bulk Reef Supply
Bulk Reef Supply
Bulk Reef Supply
Saltwater Aquarium Supplies
Free

This app provides a curated selection of saltwater aquarium supplies and educational resources. It features reef calculators to simplify tank maintenance and offers a wide range of products for creating a thriving aquatic habitat. Expert customer support is also available.

Curated aquarium suppliesEducational videos and articlesReef calculators (water volume, sand, costs, additives)
🛍️ Shopping
(2.9K)
free
7
Peoples Bank of Kentucky
Peoples Bank of Kentucky
Peoples Bank of Kentucky
by The Peoples Bank of Fleming County, Inc
Free

Manage your finances conveniently on the go with this mobile banking app. Easily check balances, pay bills, transfer funds, and deposit checks securely. Receive account alerts and find nearby ATMs.

Secure loginAccount overview and historyBill payment and scheduling
💰 Finance
(528)
free
8
Reef2Reef
Reef2Reef
Reef2Reef
Largest online reef community
Free

Connect with a global community of saltwater and reef aquarium enthusiasts. Share tank progress, ask questions, and exchange expert advice. Discover resources for all levels of reefkeeping, including a marketplace and product reviews.

Share tank photosAsk detailed questionsSwap expert advice
🌐 Social Networking
(43)
free
9
AquaticLog
AquaticLog
AquaticLog
Aquarium & reef tank tracker
Free

Manage your aquarium with this comprehensive platform. Track water parameters, schedule maintenance, log livestock, and document your tank's progress with photos and videos. Connect controllers for automatic data import and sync across devices.

Water parameter trackingSmart reminders for maintenanceLivestock management
🔧 Utilities
(395)
freemium
10
Reef Buddy: Reef Tank Tracker
Reef Buddy: Reef Tank Tracker
Reef Buddy: Reef Tank Tracker
Saltwater tank tests & log
Free

Easily log, monitor, and analyze your saltwater aquarium's critical parameters. Get smart insights and personalized advice to maintain a healthy reef tank. Syncs across devices and offers guidance for manual test results.

Log critical aquarium parametersMonitor KH, salinity, pH, Ca, Mg, and moreAnalyze data with automated insights
🔧 Utilities
(19)
freemium
11
Briefley - детство без екран
Briefley - детство без екран
Briefley - детство без екран
Books, Fairy Tales
Free

This app offers audio stories and fairy tales designed to calm, educate, and inspire children, helping them fall asleep, improve speech, and foster curiosity. Parents can access summaries of books in 15 minutes and original audio series.

Audio fairy tales and storiesCalming and educational contentImproved speech and imagination
📚 Books
(5)
free with in-app purchases
12
Pocket Marine
Pocket Marine
Pocket Marine
The Reef Keepers Handbook
$3.99

Manage all your aquarium data in one place. Track water parameters, inhabitants, dosing, and maintenance with detailed logs and reminders. Access an extensive library of marine species to make informed decisions about new additions.

Marine species encyclopedia (800+)Water parameter testing journalInhabitant and dosing logs
🔧 Utilities
(596)
free
13
ReefPilot: Reef Tank Manager
ReefPilot: Reef Tank Manager
ReefPilot: Reef Tank Manager
Dial in your saltwater reef
Free
🌟 Lifestyle
(0)
14
ReefCast - Reef Tank
ReefCast - Reef Tank
ReefCast - Reef Tank
Reef Tank Management
Free
🌟 Lifestyle
(0)
15
Reef Notes: Saltwater Tank
Reef Notes: Saltwater Tank
Reef Notes: Saltwater Tank
Reef tank log & AI photo ID
Free
🌟 Lifestyle
(0)
16
ReefVault: Reef Tank Log
ReefVault: Reef Tank Log
ReefVault: Reef Tank Log
Water Test Log & Dosing
Free
🌟 Lifestyle
(0)
17
Coralytic: Reef Tank Tracker
Coralytic: Reef Tank Tracker
Coralytic: Reef Tank Tracker
AI · ICP · saltwater chemistry
Free
🌟 Lifestyle
(0)
18
CoralKeep
CoralKeep
CoralKeep
Reef Tanks & Water Logs
Free
🔧 Utilities
(0)
19
ReefLog: Reef & Tank Care
ReefLog: Reef & Tank Care
ReefLog: Reef & Tank Care
Aquarium water log & care
Free
🔧 Utilities
(0)
20
NextUpReef
NextUpReef
NextUpReef
Reef Tracker
Free
🔧 Utilities
(0)

FAQ about Reef Tank

What are the best reef tank apps for iPhone?
ReefBay tops our reef tank apps ranking as of August 2026, with a 4.8-star average from 432 App Store ratings, and it's free to download.
Yes — 19 of the top reef tank apps we rank are free to download, including ReefBay and Reef Trak - Reef Manager.
ReefBay shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ reef tank apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
ReefBay is designed for marine hobbyists to manage their saltwater aquariums. It allows users to track water parameters, create personalized tank profiles with inhabitant logs, and set task reminders for maintenance. The app also features a local marketplace and community forums for connecting with other enthusiasts.
Key features include a local marketplace for buying and selling, the ability to explore and compare coral and fish, personalized tank profiles for logging inhabitants and water parameters, parameter tracking with charts, community support, task reminders for maintenance, and access to aquarium guides.

Related searches

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