LYNK Pro vs SunnyReef

The brand new Giesemann LYNK Pro App provides a user friendly interface*. The LYNK app provides a number of preset lighting programs as well as additional features including sunrise/sunset, lunar cycle, clouds and other weather simulation. As well an acclimation program for new aquarium setups is in preparation. *For controlling the TESZLA Evo and all products of the GIESEMANN Pro series (other devices still use the "Lynk smart control" app or the original light-compatible apps). LYNK Pro will be updated to include additional smart aquarium devices as they become available.

SunnyReef is a marine aquarium journal for iPhone, iPad and Mac. Log water tests, watch trends on charts, import ICP lab reports, plan your dosing and ask an AI assistant about your reef — all in one place, synced through iCloud. TESTS & PARAMETERS • 12 parameters: KH, calcium (Ca), magnesium (Mg), nitrate (NO₃), phosphate (PO₄), pH, salinity, temperature, plus trace elements: potassium (K), strontium (Sr), iodine and iron (Fe) • A clear status for every parameter against its target range — with custom ranges for your own tank • Historical charts and statistics: parameter trends over time ICP REPORTS • Import lab results from: Aquaforest Lab, ATI ICP, Triton, Fauna Marin, Oceamo • Values are read from the report automatically by an AI agent and compared with your previous tests (requires an AI key — see below) BRING YOUR HISTORY • CSV import from Excel, Numbers or Google Sheets — carry your existing measurement history with you DOSING • A new Dosing tab: set each supplement schedule once — a periodic table of elements shows every item at a glance • Bottle supply warnings 7 and 3 days ahead • Estimated level on the Dashboard, History chart and Dosing table — measured values and their statuses never change • A dose advisor computes real consumption from your tests and ICP and suggests a safe dose — always a suggestion, never auto-dosing • Label converter (ml/drops, L/gal, mg/µg per litre, dKH) and a salt batch profile LIVESTOCK & FEEDING • Track your fish, corals and invertebrates — species, purchase batches with prices and dates • Loss history with cause and note — undo an accidental loss and the animal returns to your living stock • Group feeding: one food, frequency and notes for a whole category; any species can have its own plan • The AI assistant knows your livestock — ask about stocking compatibility or have it set the feeding plan GALLERY, CALENDAR, REMINDERS • Reef photos with water parameters from the nearest test saved in the background • Calendar with daily notes • Reminders with notifications — water changes, tests, top-offs MULTIPLE AQUARIUMS • Separate tank profiles, including saved lighting settings SYNC & BACKUPS • iCloud sync between iPhone, iPad and Mac • Automatic backup to a folder of your choice (e.g. iCloud Drive), plus manual export and restore of a .sunnyreef file AI ASSISTANT — WITH YOUR OWN KEY SunnyReef connects to AI models using your own API key: • Claude (Anthropic) — paid key, highest quality analysis, understands photos • Gemini (Google) — free key, fully functional agent with photo analysis The assistant knows your results, answers questions about your parameters, analyzes coral photos and saves notes on your request. AI answers are informational and do not replace the knowledge and judgment of an experienced reef keeper. SUNNYREEF PREMIUM SUBSCRIPTION SunnyReef requires an active SunnyReef Premium subscription — one plan unlocks the full app: tests, charts, ICP imports, CSV import, dosing, livestock and feeding, gallery, calendar, reminders, multiple aquariums, iCloud sync, backups and the AI assistant interface. • 14-day free trial, then $3.99 per month or $24.99 per year (prices may vary by region) • The subscription renews automatically; billed through your Apple ID account; cancel anytime in your subscription settings • You can export a backup of your data at any time — even without an active subscription • AI API keys are independent from the subscription — you pay your AI provider for your own usage (Gemini offers a free tier) • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ PRIVACY • Your data stays with you — on your device and in your private iCloud • The developer collects no data (App Privacy: "Data Not Collected") • API keys are stored securely in the system keychain • AI requests go directly to the provider you choose (Anthropic or Google) — details in the privacy policy Available in English, French, German, Japanese and Polish.