# ReefToolkit — Happy reefing! > Comprehensive saltwater aquarium management and monitoring app. (iPhone/iPad app by Evolion, LLC.) - Source: https://appshunter.io/ios/app/reeftoolkit/id6753037682 (this page in markdown: same URL + `.md`) - Developer: [Evolion, LLC](https://appshunter.io/developer/1842220079) - Category: Lifestyle, Utilities - Price: $19.90 with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 26.0 · 122 MB - Languages: Dutch, English, French, German, Greek, Italian, Polish, Russian, Spanish, Turkish - Released: 2025-11-13 - Data updated: 2026-07-02 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/reeftoolkit/id6753037682/reviews.md ## What is ReefToolkit? ReefToolkit is the ultimate app for reef keepers—built by enthusiasts, for enthusiasts. From nano tanks to complex systems, effortlessly organize and monitor every part of your aquarium. * AI Insights turns your aquarium data into actionable predictions, such as detecting nutrient spikes and assessing species compatibility, so that you can make smarter decisions. * Multi-Tank Management lets you group inhabitants, logs, and nutrients, making it easy to switch between tanks and keep everything organized. * Track water parameters with clear visualizations. Monitor all major and trace elements—everything your ICP tests measure—to keep your reef in top shape. * Create detailed records for your fish, corals, and inverts with photos. Log age, health, history, and growth to monitor your livestock easily. * Weekly Nutrient Schedule streamlines feeding and dosing routines, so your reef gets what it needs, when it needs it. * Water Change Tracker logs every water change and keeps detailed records, helping you maintain a healthy environment. * Expense Manager tracks all purchases and helps you manage monthly budgets for salt, livestock, equipment, and maintenance. * Reefing Journal lets you save special moments—like when your anemone hosts a clownfish—to celebrate your reef's milestones. * The Equipment List keeps your gear organized and tracks purchase dates and warranty information for easy reference. * Shopping List helps you prioritize what your reef needs for your next fish store visit, so you never forget an essential item. * Species Reference and Zoa Identification offer a growing collection of marine life with images, family information, and care tips for quick research. * Timers and Calculators make testing and maintenance tasks accurate and straightforward. * Reminders ensure you never miss a maintenance task or checkup. * Share Functionality lets you easily share parameters or inhabitant histories with friends and community forums. * Offline-First Architecture with encrypted cloud sync keeps your data safe and accessible—even without network coverage in fish farms, on the open ocean, or in store basements. * Export all your data quickly and easily whenever you need it. Designed for Reef Enthusiasts Built with passion, ReefToolkit offers a clean, intuitive interface that keeps everything simple, beautiful, and focused on what truly matters: your reef. Terms of Use: https://docs.reeftoolkit.com/terms-of-use Privacy Policy: https://docs.reeftoolkit.com/privacy-policy ## Key features - AI-powered insights and predictions - Multi-tank management - Water parameter tracking - Livestock and species records - Nutrient and water change scheduling - Expense and equipment management - Offline-first architecture with cloud sync ## Pricing and in-app purchases Base price: $19.90. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | ReefToolkit Hobby Monthly | $3.99 | per month | | ReefToolkit Hobby Yearly | $29.99 | per year | | ReefToolkit Business Yearly | $249.99 | per year | | ReefToolkit Pro Monthly | $9.99 | per month | | ReefToolkit Pro Yearly | $79.99 | per year | | ReefToolkit Business Monthly | $29.99 | per month | ## Frequently asked questions about ReefToolkit ### What is ReefToolkit? ReefToolkit is a comprehensive mobile application designed to help saltwater aquarium enthusiasts manage and monitor all aspects of their reef tanks. It offers features for tracking water parameters, livestock, feeding, expenses, and equipment. ### What are the subscription options for ReefToolkit? ReefToolkit offers several subscription plans, including Hobby, Pro, and Business tiers, available on a monthly or yearly basis. Many plans include a 14-day free trial. ### Does ReefToolkit have ads? No, ReefToolkit is ad-free, allowing for an uninterrupted user experience focused on managing your aquarium. ### Can I use ReefToolkit offline? Yes, ReefToolkit features an offline-first architecture with encrypted cloud sync, ensuring your data is safe and accessible even without an internet connection. ### What kind of data can I track with ReefToolkit? You can track water parameters (major and trace elements), detailed records for fish, corals, and inverts, weekly nutrient schedules, water changes, expenses, equipment details, and shopping lists. ### Does ReefToolkit offer AI features? Yes, ReefToolkit includes AI Insights that turn your aquarium data into actionable predictions, such as detecting nutrient spikes and assessing species compatibility. ### What devices is ReefToolkit available on? ReefToolkit is available on iPhone and iPad devices. ### How often is ReefToolkit updated? The latest version, 1.2.3, was released on February 20, 2026, indicating active development and regular updates to enhance the application. ## Version history (last 5 releases) ### 1.2.4 — 2026-06-07 Happy Reefing! We’ve polished a few things behind the scenes to keep ReefToolkit running smoothly while you enjoy your aquarium. ### 1.2.3 — 2026-02-20 - We switched from subscriptions to a simple one-time purchase. Pay once, get full access, no recurring charges. - Clear, predictable cost. No auto-renewals, no monthly bills, no surprise renewal emails. - We made this change for simpler pricing and long-term value based on your feedback. ### 1.2.2 — 2026-02-13 - Switched to iCloud sync instead of cross-platform sync. - Removed intelligence from the settings; ReefToolkit will now utilize the device's built-in intelligence. - Switched from a subscription model to a one-time purchase app. - Added new Zoa images to the Zoanthids Identification database. ### 1.2.1 — 2026-02-03 - Switched to iCloud sync instead of cross-platform sync. - Removed intelligence from the settings; ReefToolkit will now utilize the device's built-in intelligence. - Switched from a subscription model to a one-time purchase app. - Added new Zoa images to the Zoanthids Identification database. ### 1.2.0 — 2026-01-31 - Switched to iCloud sync instead of cross-platform sync. - Removed intelligence from the settings; ReefToolkit will now utilize the device's built-in intelligence. - Switched from a subscription model to a one-time purchase app. - Added new Zoa images to the Zoanthids Identification database. ## Apps similar to ReefToolkit | App | Rating | Price | Category | | --- | --- | --- | --- | | [WorldMark: Map Your Memories](https://appshunter.io/ios/app/worldmark-map-your-memories/id6743807672) | — | Free | Lifestyle | | [Reef Trak - Reef Manager](https://appshunter.io/ios/app/reef-trak-reef-manager/id6741099733) | 4.8 (28) | Free | Lifestyle | | [Fishroom – aquarium journal](https://appshunter.io/ios/app/fishroom-aquarium-journal/id6738314803) | 5.0 (1) | Free | Lifestyle | | [Foodscaper](https://appshunter.io/ios/app/foodscaper/id6757983432) | 5.0 (2) | Free | Lifestyle | | [Coralytic: Reef Tank Tracker](https://appshunter.io/ios/app/coralytic-reef-tank-tracker/id6768277786) | — | Free | Lifestyle | | [Aquarium Water Tracker - Reef](https://appshunter.io/ios/app/aquarium-water-tracker-reef/id6759508580) | — | Free | Lifestyle | --- *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 2026-07-02.*