5 stars
Incredible design and has an amazing use case!
Fully free
Seems like every other reef app has ads or requires payment and subscription. This has what those have but feee
Free
Details
About
Track aquarium parameters, calculate precise dosing for alkalinity, calcium, and magnesium, and visualize your entire history with detailed charts. This app provides a comprehensive logbook for all your aquarium needs, including tasks, consumables, and livestock management.
✓Parameter logging (22 parameters)
✓Automated dosing calculations
✓Daily consumption analysis
✓Full history charting
✓Task and reminder management
✓Consumables tracking
✓CSV import/export
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What's New in Reef Chronicles
1.0.0
October 1, 2026
User reviews
FAQ
What is Reef Chronicles?
Reef Chronicles is a free application designed for reef tank enthusiasts to log water parameters, calculate precise dosing rates for essential elements like alkalinity, calcium, and magnesium, and track the overall health of their aquarium.
How does Reef Chronicles calculate dosing rates?
The app analyzes your logged test results against your dosing history to determine the daily consumption of parameters. It then calculates the precise amount of product needed to maintain stable levels, showing you the arithmetic involved.
Can I see my entire aquarium history with Reef Chronicles?
Yes, Reef Chronicles provides access to your complete testing history without any time limitations. You can view all your logged data and charts from the beginning.
Does Reef Chronicles have ads?
No, Reef Chronicles is completely ad-free. It operates offline out of the box, and no data leaves your phone unless you choose to sign in.
Is Reef Chronicles free to use?
Yes, Reef Chronicles is entirely free. There are no tiers, trials, in-app purchases, or subscriptions required to access all features, including unlimited tanks, full history, calculators, and analysis tools.
What kind of parameters can I log in Reef Chronicles?
You can log 22 different parameters within Reef Chronicles. The app also allows you to backdate entries for tests you may have forgotten to enter.
Does Reef Chronicles support data export?
Yes, Reef Chronicles supports CSV import and export. This allows you to bring your existing spreadsheet data into the app or take your data with you when you go.
How often is Reef Chronicles updated?
The application was last updated on October 1, 2026, with version 1.0.0. As a new release, users can anticipate future updates based on user feedback and development plans.