True Wind Pro
Weather
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Try 5 free true wind calculations. Check barometric pressure, wind direction, and wind force for easy deck logbook entries. One-time unlock. No subscription.
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.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Added atmospheric pressure readings using the iPhone’s built-in barometer sensor.
The developer, Paulina Praciak, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Paulina Praciak
- Size
- 61.8 MB
- Category
- Weather
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlimited Calculations $1.99
- Copyright
- © 2026 Paulina Praciak