Comparison

ReefBay vs ReefRanks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ReefBay

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.

Highlights
  • Local marketplace for buying/selling
  • Explore coral and fish databases
  • Personalized tank profiles
  • Water parameter tracking with charts
  • Community forums and support
  • Task reminders for maintenance
  • Aquarium guides and resources
Features
Read full description

About ReefBay Dive into the vibrant world of saltwater aquariums with ReefBay, the premier app designed exclusively for the marine hobbyist community. Whether you're a seasoned aquarist or just starting out, ReefBay offers an unparalleled platform to explore, compare, and immerse yourself in the mesmerizing realm of corals, fish, and much more. With ReefBay, managing your reef tank is easier than ever. Key Features - Local Marketplace: Connect with fellow reef enthusiasts to share insights, discover unique products, and buy or sell within your local community. - Explore Coral/Fish: Search through thousands of coral and fish to compare prices and find the perfect piece to enhance your saltwater aquarium. - Personalized Tank Profiles: Craft personalized profiles for each of your aquariums, meticulously logging diverse inhabitants and precise water parameters. This streamlined aquarium log showcases your aquatic havens and provides valuable insights to others in the community. - Parameter Tracking: Monitor your reef tank's water parameters effortlessly. Visualize your data in intuitive charts to maintain a thriving saltwater ecosystem. - Community and Support: Join a vibrant community of saltwater enthusiasts and reef tank hobbyists. Share insights, seek advice, and discover the latest trends in the marine aquarium world. - Task Reminders: Stay on top of your aquarium maintenance with automatic reminders for tasks like water changes and equipment checks, making you a more efficient aquarium manager. - Guides and Resources: Access valuable aquarium guides to help you maintain and grow your reef tank, from coral selection to water chemistry management. Why ReefBay? At ReefBay, we understand the passion and dedication it takes to maintain a thriving saltwater aquarium. That’s why we’ve created an app that simplifies aquarium management while connecting you to a global community. Whether you're tracking parameters, organizing your aquarium log, or seeking coral care tips, ReefBay is the perfect aquarium manager in your pocket. The ocean's wonder is just a tap away! *Creating unlimited tank profiles and using DeepDive features requires a subscription. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ For information or inquires contact us at info@reefbay.com

About

ReefRanks

This app allows saltwater reef hobbyists to create a digital portfolio of their coral collections. It uses AI for coral identification, unlocks collectible cards, and fosters a global community for enthusiasts to connect and share their passion.

Highlights
  • Digital coral collection portfolio
  • AI-powered coral verification
  • Collectible Coral Cards
  • ReefXP and leaderboards
  • Extensive coral database
  • Coral marketplace
  • Community profiles and connections
Read full description

ReefRanks is the ultimate collectors app for saltwater reef hobbyists, transforming your real-life coral collection into a verified digital portfolio. Use AI-powered coral identification to verify corals you actually own, unlock collectible Coral Cards, earn ReefXP, and compete with reefers around the world. Every Coral Card in your collection represents a real coral that has been verified through ReefRanks—making your digital reef a true reflection of your aquarium. Features: • Digital Coral Collection – Organize and showcase the corals you own in a beautiful digital portfolio. Discover new species, complete sets, and grow your collection over time. • Coral Verification – Verify your real corals with AI to add them to your collection and unlock collectible Coral Cards. • ReefXP & Leaderboards – Earn ReefXP for collecting, verifying, and participating in the community. Level up and compete on global leaderboards. • Coral Database – Browse an extensive coral database with active coral listings. • Market Insights – Track coral price trends and market activity to stay informed about the hobby. • Coral Marketplace - Browse physical coral listings from reef hobbyists and sellers and discover new additions for your reef. • Profiles & Community – Create your reef profile, share your collection, and connect with reefers worldwide. • ReefRanks Play – Rip digital packs, discover rare cards, build battle decks, battle opponents, and compete on dedicated Play leaderboards. Whether you're just starting your first reef tank or managing a world-class coral collection, ReefRanks helps you document your journey, grow your collection, and become part of a global community of passionate reef keepers. **Important:** Coral Cards can only be earned by verifying real corals that you own. ReefRanks is designed to celebrate authentic reef keeping and real-world collections. Digital cards collected in Play are separate from your verified real-world coral portfolio. Terms of Service: https://reefranks.com/terms Privacy Policy: https://reefranks.com/privacy

Screenshots

ReefBay4 screens
ReefRanks4 screens

Verdict

The call

The clearest difference is ratings volume: ReefBay at 488 against ReefRanks's 3. ReefBay also leads on update cadence (every 8 days vs every 3 weeks). ReefRanks's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ReefBay sells 4 in-app purchases, starting at $4.99 per month and ReefRanks sells 9 in-app purchases, starting at $7.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ReefRanks holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ReefBay has 488 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

ReefBay ships an update every 8 days, ReefRanks every 3 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
ReefBay versus ReefRanks: the parameters behind the verdict, then further details
ParameterReefBayReefRanks
PriceFreeFree
Rating4.8 (488 ratings)5.0 (3 ratings) — better
Positive reviews82.8% of reviews—
Number of ratings488 — better3
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size88 MB7 MB
Age rating4+17+
DeveloperToolit Media LLCReefRanks, LLC

Customer experience

ReefBay

All ratings479 ratings
Positive95.6%
Neutral1.7%
Negative2.7%
Written reviews58 reviews
Positive82.8%
Neutral3.4%
Negative13.8%

ReefRanks

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

ReefBay

Reported bugs

5 issues
  • Coral ID misidentifies corals as fish
  • App stopped working after update
  • Cannot click create button due to text overlap
  • Account mysteriously deleted
  • Unsubscribe function not working for emails

Requested features

4 requests
  • Add ammonia and nitrite to water parameter tracking
  • Improve coral identification accuracy
  • Enhance UI consistency and presentation
  • Better email notification management

ReefRanks

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

ReefBay

Subscriptions4
  • ReefBay DeepDive3 Days trial$4.991 Month
  • ReefBay DeepDive$4.991 Month
  • ReefBay DeepDive$29.991 Year
Show 1 more
  • ReefBay DeepDive$39.991 Year
9 purchases

ReefRanks

Subscriptions4
  • Collector Monthly3 Days trial$7.001 Month
  • Pro Reefer Monthly3 Days trial$15.001 Month
  • Collector Yearly3 Days trial$70.001 Year
Show 1 more
  • Pro Reefer Yearly3 Days trial$150.001 Year
One-time5
  • Coins – Starter Stash$3.00
  • Coins – Reef Explorer$7.00
  • Coins – Treasure Trove$10.00
Show 2 more
  • Coins – Deep Sea Vault$20.00
  • Coins – Legendary Hoard$40.00

Questions

Is ReefBay free?
ReefBay is free to download, with in-app purchases available.
Is ReefRanks free?
ReefRanks is free to download, with in-app purchases available.
Which has better reviews, ReefBay or ReefRanks?
ReefRanks is rated higher. ReefBay averages 4.8 out of 5 from 488 ratings, while ReefRanks averages 5.0 from 3 ratings.
Do ReefBay or ReefRanks have ads?
Both ReefBay and ReefRanks show ads.
Which is updated more often, ReefBay or ReefRanks?
ReefBay ships an update every 8 days, and ReefRanks every 3 weeks. Most recently, ReefBay was updated on November 8, 2026 and ReefRanks on November 5, 2026.

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