# ReefDose - Dosing Calculator — Reef Aquarium & Coral Tracker > Reef tank dosing calculator, water parameter log, and maintenance tracker for hobbyists. (iPhone/iPad app by Khawaja Salman Nadeem.) - Source: https://appshunter.io/ios/app/reefdose-dosing-calculator/id6782320223 (this page in markdown: same URL + `.md`) - Developer: [Khawaja Salman Nadeem](https://appshunter.io/developer/6771928141) - Category: Productivity, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 3 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 49 MB - Languages: American English, French (France), Japanese, European Portuguese, European Spanish - Released: 2026-07-08 - Data updated: 2026-09-13 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/reefdose-dosing-calculator/id6782320223/reviews.md ## What is ReefDose? Reef problems start in the water, before you see them in your coral. ReefDose gives you a dosing calculator, 19-parameter tracker, Reef Health Score, and full reef management in one app. Built for SPS, LPS, nano reefs, frag tanks, quarantine systems, and multiple aquariums. DOSING CALCULATOR Take the guesswork out of reef dosing. Enter your tank volume, current test result, and target value to get the exact milliliters to add. • Alkalinity (dKH) • Calcium • Magnesium • Two-part systems • Kalkwasser • All-in-one supplements • Trace elements • Custom supplements • Stock solution dosing • Dosing inventory tracking • "Runs out in" predictions WATER PARAMETERS Track 19+ reef parameters in one organized log: Alkalinity, calcium, magnesium, pH, salinity, temperature, nitrate, phosphate, ammonia, nitrite, potassium, iodine, iron, strontium, ORP, PAR, TDS, and custom parameters. Review your full history, monitor target ranges, and use trend charts to understand how your water chemistry shifts over time. REEF HEALTH SCORE ReefDose calculates a live Reef Health Score from your tracked parameters. See whether your chemistry is stable, drifting, or needs attention before it costs you coral. Includes parameter status monitoring, insights, dosing history, and a full tank activity timeline. MAINTENANCE AND TASKS Set recurring reminders for every routine: • Water changes • Water testing • Dosing • Top-offs • Filter cleaning • Media replacement • Equipment maintenance LIVESTOCK AND EQUIPMENT Log corals, fish, and invertebrates with species names, dates, photos, notes, and loss records. Track equipment with service dates and maintenance history. JOURNAL, TIMELINE, AND ACHIEVEMENTS Your tank journal captures observations, placements, and important events. The timeline shows every test, dose, livestock addition, and task in chronological order. Build consistency with reef-keeping achievements and streaks. MULTIPLE AQUARIUMS ReefDose Pro supports unlimited tanks. Each display tank, frag tank, quarantine system, or nano reef gets its own parameters, dosing products, tasks, livestock, expenses, journal, and reports. ICLOUD, WIDGETS, AND APPLE INTEGRATION Private iCloud sync keeps your reef data on iPhone, iPad, and Mac. Included with Pro at no extra charge. Home Screen widgets show live reef health and parameter status without opening the app. Siri Shortcuts and Spotlight search are also supported. EXPORT PDF tank reports and CSV data export included with Pro. FREE PLAN • 1 active tank • Unlimited water parameter logging • Dosing calculator with 1 dosing product • 7-day trend charts • Task reminders • Livestock tracking • Journal, timeline, and achievements REEFDOSE PRO • Unlimited tanks and dosing products • Full trend history • Maintenance and equipment tracking • Home Screen widgets • Private iCloud sync at no extra charge • CSV export and PDF tank reports • Expense tracking The annual plan includes a 7-day free trial. Monthly and lifetime options are also available. Available in English, Spanish, French, Portuguese, and Japanese. Privacy Policy: https://khsalman.github.io/reefdose/privacy Terms of Use: https://khsalman.github.io/reefdose/terms ## Key features - Dosing calculator for supplements - Water parameter logging - Maintenance reminders - Trend charts for water chemistry - Livestock tracking - Multiple aquarium management (Pro) ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | ReefDose Pro Monthly | $2.99 | per month | | ReefDose Pro Yearly | $29.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | ReefDose Pro Lifetime | $49.99 | one-time | ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/reefdose-dosing-calculator/id6782320223/reviews.md ### 5/5 — Reef keeping made easier *2026-08-21* A simple way to track reef tank parameters, dosing, and maintenance. ### 5/5 — Best app to manage your aquarium. *2026-08-06* This app literally gives me the full picture of my aquarium. Best app really. ### 5/5 — Great App for Reef Aquarium Care *2026-07-12* I’ve had a great experience using ReefDose. The app is easy to navigate, reliable, and makes managing my dosing schedule simple and stress-free. The interface is clean, syncing works well, and it’s been a huge help in keeping my reef tank stable. I also appreciate the regular updates and thoughtful features. Highly recommended for anyone looking for an easy way to manage their reef aquarium! ## Frequently asked questions about ReefDose ### What is ReefDose? ReefDose is a productivity app designed for reef tank enthusiasts. It helps users calculate supplement doses, track water parameters, and manage aquarium maintenance tasks. ### Is ReefDose free to use? ReefDose is free to start, allowing you to run your first tank with a full dosing calculator for one supplement, unlimited water test logging, 7-day trend charts, and reminders. Additional features are available through ReefDose Pro. ### What are the ReefDose Pro subscription options? ReefDose Pro offers monthly at $2.99 and yearly at $29.99. The annual plan includes a 7-day free trial. Subscriptions auto-renew unless canceled. ### What features does ReefDose Pro unlock? ReefDose Pro unlocks unlimited tanks, unlimited dosing products, full trend history, a maintenance and equipment log with service intervals, home screen widgets, private iCloud sync, and CSV/PDF export. ### Does ReefDose have ads? No, ReefDose does not contain advertisements. The app is free to start and offers optional Pro features through a subscription model. ### What devices is ReefDose available on? ReefDose is available on iPhone and iPad devices, supporting iOS. ### How often is ReefDose updated? The latest version of ReefDose is 1.2, which was last updated on July 19, 2026. This indicates a recent update, suggesting active development. ### What is the age rating for ReefDose? ReefDose has an age rating of 4+, making it suitable for a wide range of users interested in aquarium management. ## Version history (last 5 releases) ### 4.0 — 2026-09-10 Version 4.0 brings photo support to ReefDose. Photograph your tank, corals, fish, and invertebrates directly with your camera or choose from your photo library. Tag every shot by subject, browse your full gallery, and build a visual record of your reef alongside your water chemistry data. Your reef's story is as much visual as it is chemical. Now ReefDose keeps both. Also in this update: stability improvements and general polish. If ReefDose is helping you keep your reef dialed in, a review on the App Store takes 30 seconds and helps more reefers find it. ### 3.0 — 2026-08-30 ReefDose 3.0 is a major update built to help you understand and manage your reef better. • New Reef Health Score for a quick view of your tank's condition • Expanded water parameter tracking with trends and history • New expense tracking for your reef purchases • Detailed PDF tank reports and CSV data export • New achievements and reef-keeping streaks • Journal and chronological tank timeline • Improved dosing with stock solution and inventory tracking • "Runs out in" dosing predictions • Home Screen Reef Health widget • Siri Shortcuts and Spotlight integration • Improved iPad navigation • Five-language support: English, Spanish, French, Portuguese, and Japanese Also included: improved localization, notifications, performance, reliability, and fixes across the app. Thank you for keeping your reef with ReefDose. ### 2.0 — 2026-08-11 What's New in Version 2.0 Reef Health Score — instant dashboard health ring with colour-coded alerts 19 trackable parameters — added potassium, iodine, ORP, PAR, TDS, and more Expense Tracker — log spending with category charts and 150+ currency support PDF & CSV Export — premium tank reports and full data export (Pro) Achievements — 12 reef-keeping milestones and streak tracking Journal & Timeline — notes and a chronological feed of all tank events Stock solution calculator — with inventory tracking and "runs out in" prediction Siri Shortcuts & Spotlight — find your tank data system-wide Home Screen Widget — Reef Health widget with per-tank selection iPad sidebar — collapsible navigation built for iPadOS 18 ### 1.2 — 2026-07-19 v1.2 includes : • Dosing calculator now free — add your first supplement product at no cost • Free 7-day trend charts for every parameter • Livestock tracking now completely free • New: 7-day free trial of Pro with the annual plan • Redesigned dropdown menus across the app • New tank switcher on Dosing, Analytics, and More tabs • Fixed: keyboard now dismisses when tapping outside or scrolling • iCloud sync status now shows live activity and last synced time ### 1.1.0 — 2026-07-10 This update adds iCloud sync so your tanks, dosing records, parameters, and maintenance data can stay up to date across your Apple devices. Also included: • Improved tank data backup and restore support • Better reliability for saved dosing and parameter history • Performance improvements and bug fixes ## More apps by Khawaja Salman Nadeem - [Receipt Digitizer: Scanner](https://appshunter.io/ios/app/receipt-digitizer-scanner/id6771928139) - [PillVault: Medication Tracker](https://appshunter.io/ios/app/pillvault-medication-tracker/id6773266360) - [Duplicate Photo & Video Finder](https://appshunter.io/ios/app/duplicate-photo-and-video-finder/id6774906761) - [Vow - Commitment Tracker](https://appshunter.io/ios/app/vow-commitment-tracker/id6777075479) - [InspectKit - Site Reports Pro](https://appshunter.io/ios/app/inspectkit-site-reports-pro/id6782454914) All apps by Khawaja Salman Nadeem: https://appshunter.io/developer/6771928141 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-13.*