Best Saltwater Aquarium App

249+ iOS apps & games curated and reviewed

4.4 avg rating
19 free apps & games
Updated October 2026

Out of 249+ saltwater aquarium app on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Saltwater Aquarium App (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Saltwater Aquarium AppSaltwater Aquarium AppFree2.6★ (30)NoNoOct 2026
2ReefBayReefBayFree4.8★ (479)YesYesOct 2026
3Bulk Reef SupplyBulk Reef SupplyFree4.9★ (3.1K)NoNoOct 2026
4Aquarium Live - Real Fish TankAquarium Live - Real Fish TankFree4.6★ (9.6K)YesYesNov 2026
5AquaticLogAquaticLogFree4.2★ (407)NoYesOct 2026
6Aquarium Guide Fish IdentifierAquarium Guide Fish IdentifierFree4.2★ (14K)NoYesOct 2026
7Aquarium And Coral TrackingAquarium And Coral TrackingFree4.0★ (3)NoNoOct 2026
8ReefGuy : Saltwater TankReefGuy : Saltwater TankFree—NoYesOct 2026

Top Picks for Saltwater Aquarium App

ReefBay#2

ReefBay by Toolit Media LLC

Track & Manage Your Reef Tank
Strong Contender
🌟 Lifestyle
4.8😊(479 ratings)
FreeAdsIn-App Purchases
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Manage your saltwater aquarium with this comprehensive app. Track water parameters, log inhabitants, and receive task reminders. Connect with a community of hobbyists, explore local marketplaces, and access helpful guides.

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
  • 💬 Social hub connecting reef keepers
  • 🔄 Frequent updates and new features
  • 👨‍💻 Responsive developer (Billy) who listens to user feedback
  • 🆓 Free to use with optional premium features
  • 📱 All-in-one solution for reef tank management
  • 🤖 AI assistance for tank-specific questions
  • 📅 Task reminders and maintenance tracking
  • 🎯 Detailed tank profiles and equipment logging

Room to Improve

  • 🐛 Coral identification feature is inaccurate
  • 🎨 Inconsistent UI presentation and design
  • ❌ Navigation dead ends and UI issues
  • 📧 Excessive email notifications despite unsubscribing
  • 🔐 Account deletion/data loss concerns
  • ⚠️ App crashes with new updates
  • 🚫 Text overlap preventing button clicks
Bulk Reef Supply#3

Bulk Reef Supply by Bulk Reef Supply

Saltwater Aquarium Supplies
Worth Considering
🛍️ Shopping
4.9😊(3.1K ratings)
Free
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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.

What We Love

  • 🚀 Great products and prices
  • 👍 Excellent customer service
  • 💡 Helpful videos and information
  • 🚀 Convenient app and online store
  • 👍 Reliable and quality products

Room to Improve

  • 🐛 Slow app performance
  • 🐛 Difficulty placing orders
  • 💡 Missing features like open box deals

More Saltwater Aquarium App apps to explore

FAQ about Saltwater Aquarium App

What is the best saltwater aquarium app for iPhone?
Saltwater Aquarium App tops our saltwater aquarium app ranking as of October 2026, with a 2.6-star average from 30 App Store ratings, and it's free to download.
Yes — 19 of the top saltwater aquarium app we rank are free to download, including Saltwater Aquarium App and ReefBay.
Saltwater Aquarium App has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ saltwater aquarium app on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.