ReefCompanion
Smarter reef tank tracking
Free · Designed for iPad. Not verified for macOS.
Track reef tank parameters, equipment, and maintenance with ease. ReefCompanion keeps your aquarium healthy, organized, and stress-free.
ReefCompanion makes it easy to track, understand, and care for your reef aquarium.
Log water tests, monitor trends, manage equipment, and stay on top of maintenance—all in one clean, intuitive app designed for reef keepers of every experience level.
Whether you’re maintaining a nano reef or a full mixed‑reef system, ReefCompanion helps you keep your tank stable, organized, and thriving.
Key Features
• Fast, simple water test logging
Record Calcium, Alkalinity, Magnesium, Nitrate, Phosphate, Salinity, and more. Add notes and photos to track changes over time.
• Beautiful trend charts
Visualize your tank’s stability with 7‑day, 30‑day, 90‑day, and all‑time graphs. Spot patterns early and make informed adjustments.
• Equipment tracking
Keep a clean list of pumps, lights, skimmers, controllers, and other gear. Perfect for maintenance planning and upgrade tracking.
• Maintenance reminders
Set recurring tasks like carbon changes, skimmer cleaning, filter swaps, and more. Never forget an important job again.
• Livestock organization
Track fish, corals, and inverts with notes and photos. Keep a history of additions, removals, and observations.
• Clean, modern design
Built for clarity and speed. No clutter, no ads, no accounts required.
Why ReefCompanion?
A healthy reef depends on consistency. ReefCompanion brings your tank’s data together so you can make better decisions, catch issues early, and enjoy the hobby with confidence.
Everything is stored privately on your device. No logins, no cloud accounts—just your reef, your data.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, CHRISTOPHER SHANE MANN, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- CHRISTOPHER SHANE MANN
- Size
- 14.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Christopher Mann