True Wind Pro vs TideSync

True Wind Pro is a precise nautical wind calculator and training tool designed for sailors, navigators, and marine students. Convert apparent wind into true wind direction and speed using the classic nautical-school vector method — clearly visualized and easy to understand. Key Features • True wind direction (TWD) and speed (TWS) calculation • Apparent wind (AWA / AWS) support • Atmospheric pressure readings using the iPhone’s built-in barometer sensor • Pressure history with date and time • Easy access to pressure, wind direction, and wind force values for entering into the ship’s deck logbook on the bridge • Interactive radar and wind triangle plot • Step-by-step vector construction (nautical-school method) • Reverse calculator: find heading for a target apparent wind angle • Beaufort scale interpretation • Clean, distraction-free interface optimized for marine use Designed for Learning & Practice True Wind Pro doesn’t just give you numbers — it shows how the result is constructed. Perfect for sailing schools, exam preparation, and real-world navigation planning. The app also helps with practical bridge routines by making atmospheric pressure, wind direction, and wind force easy to check and enter into the ship’s deck logbook. Free & Pro You can perform 5 free calculations to try the app. Unlock True Wind Pro – Lifetime to get unlimited calculations forever with a one-time purchase. No subscriptions. No ads. Ideal for sailors, skippers, students, navigators, and anyone who wants to truly understand wind mechanics at sea.

Sync with Nature TideSync is a pure utility tool crafted for ocean enthusiasts. Whether you are surfing, beachcombing, or sailing, we are dedicated to providing you with the most precise and fluid marine data experience. Stripping away the complexity, we utilize native iOS technologies to create a seamless interactive experience. Glide your finger across the screen to feel the rhythm of the tides. Key Features - Global Offline Data - No Internet Needed: Built-in harmonic constant database for 7,000+ major ports and stations worldwide. Accurate tide data is available anytime, anywhere, even offshore or on remote islands. Privacy First: All calculations are performed locally. Your location is used solely to find the nearest station and is never uploaded to the cloud. - Pro Marine Weather - Multi-Dimensional Charts: More than just tide heights. We provide critical data including Air Temperature, Wind Speed, Gusts, Swell, Ocean Currents, Water Temperature, UV Index, Humidity, Precipitation, Visibility, and Barometric Pressure. Dynamic Interaction: Master sea conditions with intuitive Interactive Charts. Drag the cursor to view detailed forecasts for any future moment. - Solunar Info - Precise Timings: Accurate Sunrise/Sunset and Moonrise/Moonset times. Moon Phase: Visual moon phase tracking helps you understand spring and neap tide cycles, aiding in planning your beach trips and fishing activities. - Native Experience - Ultra-Smooth: Built with native Swift for lightning-fast launch times and a lightweight footprint. Haptic Feedback: Experience physical-like vibrations when interacting with charts, thanks to our custom Haptic Feedback integration. Perfect For Surfing: Find the perfect swell window. Beachcombing: Know exactly when low tide hits to explore the intertidal zone. Sailing: Offline chart-grade data for safe navigation. Photography: Catch the golden hour and blue hour over the ocean. Download TideSync today and sync with the pulse of the ocean.