Comparison

Reef Buddy vs ReefCtrl

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

Head to head
About

Reef Buddy

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.

Highlights
  • Log critical aquarium parameters
  • Monitor KH, salinity, pH, Ca, Mg, and more
  • Analyze data with automated insights
  • Sync data across iPhone and iPad
  • Guidance for manual test kit results
  • Personalized advice with premium subscription
Features
Read full description

Reef Buddy – Track Your Reef Tank With Confidence Reef Buddy is the reef tracker and water test log built for saltwater tank and saltwater aquarium keepers. Log water tests, monitor parameter trends, and understand what is changing in your reef before small swings become real problems. Track Every Essential Reef Parameter Record KH, salinity, pH, Ca, Mg, NO₂, NO₃, PO₄, SiO₂, temperature, and more. Keep a clear aquarium log with visual trends for the values reef keepers watch most. Smart Insights for Saltwater Aquariums Get automated insights from your measurements so you can react earlier, keep your reef tank stable, and make better maintenance decisions. Sync Across Devices All your data is safely stored and automatically synced across your iPhone and iPad. Manual Test Help Enter results from your favorite test kits faster with guided steps designed for reef routines, regular water tests, and day-to-day reef journaling. Unlock Premium with Shrimpy Shrimpy, your reef assistant, unlocks powerful features: • Expert analysis of your tank data • Personalized advice • Photo analysis of your aquarium • Start and continue conversations with Shrimpy for personalized reefing tips Why Reef Keepers Choose Reef Buddy • Built for reef tanks and saltwater aquariums • Clean tracking without unnecessary clutter • Compatible with major test kits, including Red Sea, Salifert, Hanna, and more Subscription Info Shrimpy Premium is available as a monthly or yearly subscription. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions auto-renew unless cancelled 24 hours before the end of the period. Manage your subscription anytime in your Apple account settings. Terms & Privacy Policy: https://reef-buddy.app

About

ReefCtrl

Manage your reef aquarium with this intelligent platform. Monitor equipment, track water chemistry, and receive smart alerts. It integrates with Neptune Apex controllers and offers AI-powered assistance for hobbyists.

Highlights
  • Neptune Apex integration
  • Smart alerts and notifications
  • Water chemistry tracking
  • Dosing management
  • AI reef assistant
  • Equipment and livestock management
Features
Read full description

Take full control of your reef aquarium with ReefCtrl — the intelligent reef management platform built for serious hobbyists. NEPTUNE APEX INTEGRATION Sync your Apex controller automatically via apex fusion — no port forwarding or tunnels needed. Monitor all outlets live, toggle equipment with safety confirmations, and track power consumption in real time. SMART ALERTS Get push notifications the moment something needs attention — parameter spikes, Apex offline, maintenance due, or dosing containers running low. Dismiss with intelligent cooldowns so you only hear what matters. WATER CHEMISTRY TRACKING Log and chart Alkalinity, Calcium, Magnesium, pH, Salinity, Nitrate, Phosphate and more. Visualise 30-day trends. Import ICP lab results from Triton, ATI, or Fauna Marin with AI-powered analysis. DOSING MANAGEMENT Track Fauna Marin Balling, ESV B-Ionic, Red Sea Reef Foundation, Kalkwasser and more. Monitor Neptune DDR container levels live. Log doses with one tap — no typing required. AI REEF ASSISTANT Chat with AI about your tank. Generate Neptune Apex programming code in plain English. Get personalised recommendations based on your actual parameters. EQUIPMENT & LIVESTOCK Manage your full equipment list with maintenance schedules and reminders. Track your fish and coral with species-specific care notes. ReefCtrl works with or without a Neptune Apex. Start with manual parameter logging and add automation as you grow.

Screenshots

Reef Buddy4 screens
ReefCtrl4 screens

Verdict

The call

The clearest difference is review sentiment: ReefCtrl at 100% against Reef Buddy's 60%. ReefCtrl also leads on in-app purchases (none vs 4) and iOS requirement (13.0 vs 26.0). On price, update cadence, ads and device support 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. Reef Buddy sells 4 in-app purchases, starting at $0.99 per 7 days. ReefCtrl asks for nothing beyond the download.

UpkeepUpdate frequency

Reef Buddy ships an update every 2 weeks, ReefCtrl every 9 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
Reef Buddy versus ReefCtrl: the parameters behind the verdict, then further details
ParameterReef BuddyReefCtrl
PriceFreeFree
Rating4.1 (19 ratings) — better—
Positive reviews60.0% of reviews100.0% of reviews — better
Number of ratings19 — better—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.013.0 — better
Further details — not scored
Size45 MB3 MB
Age rating4+4+
Developermaxime marinelJayanth Vignesh Ramachandran

Customer experience

Reef Buddy

All ratings19 ratings
Positive73.7%
Neutral5.3%
Negative21.1%
Written reviews10 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

ReefCtrl

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Reef Buddy

Subscriptions4
  • Reef Buddy Pro Weekly$0.997 Days
  • Reef Buddy Pro3 Days trial$1.991 Month
  • Reef buddy pro month$3.991 Month
Show 1 more
  • Reef buddy pro annual3 Days trial$44.991 Year
None

ReefCtrl

No in-app purchases

Questions

Is Reef Buddy free?
Reef Buddy is free to download, with in-app purchases available.
Is ReefCtrl free?
ReefCtrl is free to download, with no in-app purchases.
Do Reef Buddy or ReefCtrl have ads?
Neither Reef Buddy nor ReefCtrl shows ads.
Which is updated more often, Reef Buddy or ReefCtrl?
Reef Buddy ships an update every 2 weeks, and ReefCtrl every 9 days. Most recently, Reef Buddy was updated on October 7, 2026 and ReefCtrl on October 4, 2026.

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