Comparison

Reefi vs ReefRanks

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

Head to head
About

Reefi

This app helps aquarium owners manage their tanks with smart tools for tracking water parameters, maintenance, and livestock health. It provides reminders, a dosing calculator, and an AI coach to ensure a healthy aquatic ecosystem.

Highlights
  • Water parameter tracking
  • Maintenance reminders
  • Dosing calculator
  • Livestock health logs
  • Equipment management
  • AI aquarium coach
Features
Read full description

Reefi helps you take better care of your aquarium with smart tools, clear insights, and helpful reminders. Track your water parameters, manage maintenance tasks, and stay on top of dosing schedules for both freshwater and saltwater aquariums. Reefi keeps everything organized in one clear dashboard, so you always know how your tank is doing. Manage your aquarium inhabitants by keeping an overview of fish, corals, and other livestock. Log health observations, track changes over time, and use the journal to note important events like new additions, issues, or adjustments. Reefi helps you spot patterns early and maintain a healthy ecosystem. Keep track of your equipment, such as filters, lights, heaters, and pumps. Log setup details, maintenance history, and replacements so you never lose track of what’s running in your tank. Key features: • Log and track water parameters • Maintenance tasks with reminders • Dosing calculator and planning • Inhabitant management and health logs • Aquarium journal for observations and events • Equipment tracking and maintenance • Smart insights for healthier tanks • AI-powered aquarium coach • Support for freshwater and saltwater aquariums Whether you’re a beginner or an experienced aquarist, Reefi helps you care for your aquarium with confidence. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.reefi-app.com/privacy-policy-reefi/

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. 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. Terms of Service: https://reefranks.com/terms Privacy Policy: https://reefranks.com/privacy

Screenshots

Reefi4 screens
ReefRanks4 screens

Verdict

The call

The clearest difference is update cadence: Reefi at every 10 days against ReefRanks's every 6 weeks. ReefRanks's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases 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. Reefi sells 3 in-app purchases, starting at $3.99 per 7 days and ReefRanks sells 4 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

On the App Store both sit at effectively the same score — 5.0 for Reefi against 5.0 for ReefRanks. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Reefi ships an update every 10 days, ReefRanks every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Reefi versus ReefRanks: the parameters behind the verdict, then further details
ParameterReefiReefRanks
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Number of ratings13 — better
Update frequencyEvery 10 days — betterEvery 6 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size65 MB4 MB
Age rating4+17+
DeveloperTibbe NaardingReefRanks, LLC

In-app purchases

3 purchases

Reefi

Subscriptions3
  • Reefi Pro Weekly3 Days trial$3.997 Days
  • Reefi Pro Monthly$9.991 Month
  • Reefi Pro Annual3 Days trial$79.991 Year
4 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

Questions

Is Reefi free?
Reefi 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, Reefi or ReefRanks?
Reefi and ReefRanks are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do Reefi or ReefRanks have ads?
Both Reefi and ReefRanks show ads.
Which is updated more often, Reefi or ReefRanks?
Reefi ships an update every 10 days, and ReefRanks every 6 weeks. Most recently, Reefi was updated on October 30, 2026 and ReefRanks on October 31, 2026.

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