Best Aquarium Saltwater Apps & Games

241+ iOS apps & games curated and reviewed

3.9 avg rating
19 free apps & games
Updated November 2026

Looking for free aquarium saltwater apps and games? 19 of our 241+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Aquarium Saltwater Apps & Games (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Saltwater Aquarium AppSaltwater Aquarium AppFree2.6★ (30)NoNoOct 2026
2Aquarium Guide Fish IdentifierAquarium Guide Fish IdentifierFree4.2★ (14K)NoYesNov 2026
3ReefabilityReefabilityFree3.4★ (41)NoYesNov 2026
4ReefGuy : Saltwater TankReefGuy : Saltwater TankFree—NoYesNov 2026
5ReefBayReefBayFree4.8★ (492)YesYesNov 2026
6Aqueon BlueIQ Aquarium ManagerAqueon BlueIQ Aquarium ManagerFree1.6★ (88)NoNoOct 2026
7AquaLens: Aquarium Log TrackerAquaLens: Aquarium Log TrackerFree4.6★ (32)NoYesNov 2026
8Bulk Reef SupplyBulk Reef SupplyFree4.9★ (3.1K)NoNoNov 2026

Top Picks for Aquarium Saltwater

Aquarium Guide Fish Identifier#2

Aquarium Guide Fish Identifier by Tayson Nguyen

Tank Planner & Compatibility
Strong Contender
🔍 Reference
4.2😐(14K ratings)
FreeIn-App Purchases
Aquarium Guide Fish Identifier screenshot 1
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Aquarium Guide Fish Identifier screenshot 5

Plan your aquarium with confidence by checking fish compatibility, avoiding overcrowding, and discovering species that fit your tank. Browse over 1,000 fish profiles with detailed care information and use your camera to find likely matches. This guide helps both beginners and experienced aquarists make informed decisions for freshwater or saltwater 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
  • 🔀 Difficulty navigating and removing fish
Reefability#3

Reefability by Reefability

AI-driven reef tank management
Worth Considering
📊 Productivity
3.4(41 ratings)
FreeIn-App Purchases
Reefability screenshot 1
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This app provides AI-driven management for reef aquariums, integrating chemistry, livestock, lighting, and flow data. It offers guided setup, detailed tank mapping, and personalized care suggestions to help maintain a thriving aquatic environment.

More Aquarium Saltwater apps to explore

FAQ about Aquarium Saltwater

What are the best aquarium saltwater apps & games for iPhone?
Saltwater Aquarium App tops our aquarium saltwater apps & games ranking as of November 2026, with a 2.6-star average from 30 App Store ratings, and it's free to download.
Yes — 19 of the top aquarium saltwater apps & games we rank are free to download, including Saltwater Aquarium App and Aquarium Guide Fish Identifier.
Saltwater Aquarium App has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 241+ aquarium saltwater apps & games on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.