About
ReefApp is a specialized marine aquarium platform designed for reef hobbyists, aquarists, and marine enthusiasts. At its core is a richly detailed encyclopedia covering hundreds of marine species — including angelfishes, clownfishes, gobies, wrasses, tangs, shrimps, crabs, echinoderms, molluscs, nudibranches, and tube worms — all organized by taxonomy with descriptions and photographs to aid identification and care research. Beyond its reference library, ReefApp offers practical tank management utilities. The water parameter tracker lets users log and monitor chemistry readings over time, making it easy to spot trends or catch imbalances before they harm livestock. The dosing calculator helps hobbyists determine precise amounts of additives required to reach or maintain target parameter levels, while a dedicated salinity calculator rounds out the chemistry toolkit. The app supports multiple languages (English, German, Danish) and is freely available as a mobile app on both Google Play (Android) and the App Store (iOS), in addition to the web interface. Whether you're a beginner setting up your first reef tank, an experienced aquarist tracking livestock compatibility, or a marine biology student using it as a field reference, ReefApp provides the data and calculators needed to build and maintain a thriving reef ecosystem.
Key Features
- Marine Encyclopedia: Extensive database of marine fish, invertebrates, molluscs, echinoderms, and more — each with taxonomy, descriptions, and photos to help with identification and care research.
- Water Parameter Tracker: Log and monitor reef tank water chemistry readings over time, making it easy to spot trends, catch imbalances early, and maintain a stable environment for livestock.
- Dosing Calculator: Calculate the precise amount of additives needed to adjust or maintain key water parameters, removing guesswork from reef chemistry management.
- Salinity Calculator: Dedicated salinity tool to help aquarists mix and adjust saltwater to the correct specific gravity or salinity level for their reef system.
- Multi-Platform & Multi-Language: Available on web, iOS (App Store), and Android (Google Play) with support for English, German, and Danish, making it accessible to a global audience of reef hobbyists.
Use Cases
- Identifying and researching marine fish species before purchasing livestock for a reef aquarium
- Tracking reef tank water parameters over time to detect trends and maintain stable chemistry
- Calculating the correct dosage of reef additives like calcium, alkalinity, or magnesium supplements
- Planning and researching the compatibility of different marine species before adding them to an established tank
- Serving as a quick-reference marine biology encyclopedia for students or hobbyists learning about reef ecosystems
Pros
- Comprehensive Species Database: Covers a vast range of marine life categories — from fish families to invertebrates — giving hobbyists a single reliable reference for livestock research.
- Practical Chemistry Calculators: The dosing and salinity calculators take the guesswork out of reef chemistry, helping users maintain stable, healthy water conditions.
- Free & Cross-Platform: Available at no cost across web, iOS, and Android, making it accessible to reef enthusiasts on any device.
Cons
- Niche Audience: Highly specialized for reef aquarium hobbyists — users outside this niche will find little utility in the app.
- No AI-Driven Features: The tool relies on static encyclopedia data and manual calculations rather than AI-powered recommendations or automated diagnostics.
- Limited Social or Community Features: No apparent built-in community forums, livestock compatibility tools, or user-generated content features to connect hobbyists with each other.
Frequently Asked Questions
What is ReefApp?
ReefApp is a marine aquarium reference and management tool. It includes an encyclopedia of marine fish and invertebrates with photos, plus water parameter tracking and dosing calculators to help reef hobbyists maintain healthy tanks.
Is ReefApp free to use?
Yes, ReefApp is free to use on its website and as a downloadable app on both the Google Play Store (Android) and Apple App Store (iOS).
What types of marine life does ReefApp cover?
ReefApp covers a wide range of marine species including angelfishes, clownfishes, gobies, wrasses, tangs, seahorses, moray eels, shrimps, crabs, sea stars, sea urchins, nudibranches, giant clams, tube worms, and many more — organized by taxonomic family.
How does the dosing calculator work?
The dosing calculator allows you to input your current and target water parameter values, then calculates the exact amount of a given additive needed to reach your target, helping you avoid overdosing or underdosing your reef tank.
Which platforms is ReefApp available on?
ReefApp is accessible via its website at reefapp.net, as well as through the Google Play Store for Android devices and the Apple App Store for iOS devices.
