Comparison

Smart Reef vs Reef Buddy

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

Head to head
About

Smart Reef

Manage your marine aquarium with this app. It provides device management, alerts for issues, and detailed historical data. A central dashboard offers a clear overview of your aquarium's status and device operations.

Highlights
  • Device management
  • Aquarium alerts
  • Measurement history
  • Operational status dashboard
  • Planned job journal
  • Preset sharing
Features
Read full description

Functionality: • device management • alerts when any problems occur in the aquarium • presentation of measurements and the operational status of devices • device operation and measurements history • clear, collective dashboard with information on device operation • modern table of parameters measured in the aquarium • unique journal of planned jobs and aquarium task history integrated with devices Devices may be connected via a Wi-Fi network and your home router. Dashboard sharing, loading and sharing of presets with other users and many more useful features. Supported devices: • Thermo control - temperature controller • Thermo view - temperature monitor • TDS meter - reverse osmosis water monitor • Salinity guardian - salinity monitor • pH meter - pH monitor • Level sensor - water/liquid level meter • Level keeper - automatic water refill system • Smart pump - dosing pump • Power switcher - timing programmer / device switch • Reef flare - smart LED lamp • Smart roller • Smart tester • Dosing pumps • kH keeper

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

Screenshots

Smart Reef4 screens
Reef Buddy4 screens

Verdict

The call

The clearest difference is review sentiment: Reef Buddy at 55% against Smart Reef's 4%. Reef Buddy also leads on rating (3.9 vs 1.5) and update cadence (every 2 weeks vs every 3 months). Smart Reef's advantage is iOS requirement (14.6 vs 26.0). On price, ratings volume, 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. Smart Reef sells 8 one-off in-app purchases and Reef Buddy sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Reef Buddy holds the better App Store score, 3.9 against 1.5. Both are backed by a comparable volume of ratings — 23 and 20 respectively. Written reviews point the same way: 4% of Smart Reef's written reviews are positive against 55% of Reef Buddy's.

UpkeepUpdate frequency

Smart Reef ships an update every 3 months, Reef Buddy every 2 weeks. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Smart Reef versus Reef Buddy: the parameters behind the verdict, then further details
ParameterSmart ReefReef Buddy
PriceFreeFree
Rating1.5 (23 ratings)3.9 (20 ratings) — better
Positive reviews3.8% of reviews54.5% of reviews — better
Number of ratings23 — better20
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS14.6 — better26.0
Further details — not scored
Size4 MB46 MB
Age rating4+4+
DeveloperReef Factory sp. z o.o.District Web

Customer experience

Smart Reef

All ratings19 ratings
Positive10.5%
Neutral5.3%
Negative84.2%
Written reviews26 reviews
Positive3.8%
Neutral11.5%
Negative84.6%

Reef Buddy

All ratings20 ratings
Positive70.0%
Neutral5.0%
Negative25.0%
Written reviews11 reviews
Positive54.5%
Neutral0.0%
Negative45.5%

In-app purchases

8 purchases

Smart Reef

One-time8
  • Warranty 3 years$12.99
  • Warranty 3 years$17.99
  • Warranty 3 years$19.99
Show 5 more
  • Warranty 3 years2 variants$24.99
  • Warranty 3 years$29.99
  • Warranty 3 years2 variants$34.99
  • Warranty 3 years2 variants$39.99
  • Warranty 3 years$49.99
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

Questions

Is Smart Reef free?
Smart Reef is free to download, with in-app purchases available.
Is Reef Buddy free?
Reef Buddy is free to download, with in-app purchases available.
Which has better reviews, Smart Reef or Reef Buddy?
Reef Buddy is rated higher. Smart Reef averages 1.5 out of 5 from 23 ratings, while Reef Buddy averages 3.9 from 20 ratings.
Do Smart Reef or Reef Buddy have ads?
Neither Smart Reef nor Reef Buddy shows ads.
Which is updated more often, Smart Reef or Reef Buddy?
Smart Reef ships an update every 3 months, and Reef Buddy every 2 weeks. Most recently, Smart Reef was updated on October 24, 2026 and Reef Buddy on October 24, 2026.

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