Comparison

Reefi vs TankLab

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

TankLab

Manage all aspects of your aquarium, from water parameters and livestock to maintenance schedules and expenses. Utilize AI for test strip analysis and personalized advice to keep your aquatic life thriving.

Highlights
  • AI test strip scanner
  • AI aquarium advisor
  • Water parameter tracking
  • Maintenance scheduler
  • Livestock manager
  • Expense tracker
Features
Read full description

TankLab is the all-in-one aquarium management app for freshwater, saltwater, brackish, and planted tanks. Whether you're cycling your first tank or maintaining a mature reef, TankLab keeps everything organized and your fish healthy. AI TEST STRIP SCANNER Snap a photo of your test strip next to the color chart and let AI read the values instantly. Results pre-fill your parameter log, just review and save. Supports API 5-in-1, Tetra 6-in-1, and similar multi-parameter strips. AI AQUARIUM ADVISOR Ask TankLab's AI anything about fishkeeping. It knows your tank's current setup, water parameters, livestock, and maintenance history, so every answer is tailored to your situation. Get help with water chemistry, fish compatibility, disease diagnosis, feeding schedules, plant care, and more. WATER PARAMETER TRACKING Log pH, ammonia, nitrite, nitrate, GH, KH, temperature, salinity, phosphate, calcium, and more. Enter in ppm or degrees, the app auto-converts. View trends over time with interactive charts and get insights when values are out of range. MAINTENANCE SCHEDULER Set up recurring tasks for water changes, filter cleaning, feeding, dosing, and equipment checks. Get notifications when tasks are due. Check them off and build a maintenance streak. LIVESTOCK MANAGER Track every fish, invertebrate, coral, and plant in your tank. Browse species info, check compatibility, and keep a complete record of your aquarium inhabitants. TANK GALLERY & JOURNAL Document your tank's evolution with photos and journal entries. Look back at how far your aquarium has come. EXPENSE TRACKER Keep track of what you spend on equipment, livestock, food, and supplies. Know exactly where your aquarium budget goes. TANKLAB+ SUBSCRIPTION Free users get 1 tank, 5 AI questions per month, and all core tracking features. Upgrade to TankLab+ for unlimited AI questions, test strip scanning, iCloud sync across devices, and expanded tank and livestock limits. Download TankLab and give your aquarium the care it deserves. By using this app, you agree to Apple’s Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Reefi4 screens
TankLab4 screens

Verdict

The call

The clearest difference is ads: TankLab at none against Reefi's shown. Reefi's advantage is iOS requirement (15.1 vs 17.0). On price, rating, ratings volume 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 TankLab sells 2 in-app purchases, starting at $4.99 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 TankLab. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Scorecard2 real differences · 7 level
Reefi versus TankLab: the parameters behind the verdict, then further details
ParameterReefiTankLab
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyEvery 10 days—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size65 MB8 MB
Age rating4+4+
DeveloperTibbe NaardingSquatchCraft 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
2 purchases

TankLab

Subscriptions2
  • TankLab+$4.991 Month
  • Annual subscription$34.991 Year

Questions

Is Reefi free?
Reefi is free to download, with in-app purchases available.
Is TankLab free?
TankLab is free to download, with in-app purchases available.
Which has better reviews, Reefi or TankLab?
Reefi and TankLab are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Reefi or TankLab have ads?
Reefi shows ads; TankLab does not.

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