ReefDiary vs Reefly

Log saltwater aquarium parameters, spot stability drift, calculate dosing amounts, and keep reef care decisions grounded in your own data. KEY FEATURES: - Log Ca, Alk, Mg, pH, Salinity, Temp, NO3, PO4 in seconds - 2-part dosing calculator (BRS, ESV, Tropic Marin, custom) - Color-coded parameter cards show instant health status - Trend charts reveal drift, recovery, and repeat patterns - Exportable reports for second opinions, store visits, or support threads - Multiple tank support with separate histories and routines BUILT FOR REEF KEEPERS: - No account required, no cloud sync; reef data stays local - Works offline - practical for fish rooms and maintenance benches - Dense, scannable interface designed for daily reef checks PRO FEATURES (monthly, yearly, or lifetime): - Unlimited tanks and full long-range parameter history - Advanced dosing products and custom formulas - CSV exports and shareable reef detail images - Custom testing cadence and dosing follow-through Free to download. Pro unlocks the long view: full history, reports, formulas, routines, and unlimited reef systems. LEGAL: - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy Policy: https://peachuinc.github.io/legal/reefdiary/

KNOW YOUR REEF IS HEALTHY. IN SECONDS. ReefLog turns raw water test numbers into a clear tank health score - so you stop guessing and start knowing. Log your parameters, see instant colour-coded feedback (Good · Near limit · Out of range), and track trends over time. Whether you keep a saltwater reef, freshwater community, or planted aquarium, ReefLog gives your tank a grade every time you log. ----------------------- WHAT YOU CAN DO ----------------------- - Log pH, alkalinity, calcium, magnesium, ammonia, nitrate, salinity and temperature - See instant status feedback as you type — no guesswork - View trend charts with safe-range bands so problems are visible before they become emergencies - Set maintenance reminders — water changes, feeding, dosing — so nothing slips - Works for reef, saltwater, freshwater, and planted aquariums TANK HEALTH SCORE --------------------- After every log session, ReefLog grades your tank (A+, A, B+…) based on how your parameters compare to proven safe ranges. One glance tells you everything. ------------------ FREE TO START ------------------ Log parameters and view charts for free. Upgrade to Pro for: - Unlimited parameter history (beyond 30 days) - Unlimited maintenance reminders - iCloud sync across all your Apple devices - Full historical charts Built for hobbyists who take their tanks seriously. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/