Boat Speedometer vs Upwind

HullSpeed is a clean, highly legible sailing and boating speedometer with Apple Watch and Live Activity support. It works for all activities but is designed around sailing. Designed for quick speed checks while underway, HullSpeed gives sailors and boaters a simple, reliable marine speed readout on Apple Watch and iPhone. HullSpeed keeps the focus on what matters: your current BOAT SPEED. The display is large, simple, and easy to read at a glance, making it ideal for sailing, dinghy racing, cruising, or any time you want a straightforward marine speedometer without clutter. A small trend chart helps you quickly see the impact of trim changes. HullSpeed also records your voyages so you can review your time on the water later. Saved voyages include speed, distance, duration, average speed, maximum speed, route history, and exportable CSV data. In addition to sailing data, HullSpeed also withs with Apple Health to measure your heart rate via an Apple Watch so you can keep track of your activity at sea. Features: * Large, high-contrast live speed display. * Designed for quick wrist checks on Apple Watch, or quick glances at your phone. * Live Activity support on iPhone. * Record sailing voyages from iPhone or Apple Watch. * Track distance, duration, average speed, and max speed, and heart rate. * View saved route history. * Export voyage data as CSV or KMZ. * Unlock continued use with a one-time in-app purchase. * Includes 3 free trial voyages. If you like it you can purchase for life. No subscription or account required. Privacy Policy: https://www.catspaw-systems.com/PrivacyPolicies/HullSpeedPrivacy.html

Upwind is a sailing tracker for Apple Watch, iPhone and iPad: live speed and course, recorded sessions with speed-colored tracks. Free, with no accounts and no ads. INSTRUMENTS - SOG (speed over ground) in knots, smoothed for reading at a glance - COG (course over ground) on a compass ribbon - Automatic night mode: red instruments after sunset to preserve night vision RECORDING - Explicit Rec button: recording never starts on its own - Speed-colored track, from cyan (slow) to coral (fast), scaled to your session - Distance, average and maximum speed, duration - On Apple Watch, recordings also save as Sailing workouts in Health (with your permission) WATCH, IPHONE OR BOTH - Apple Watch records standalone with its own GPS - iPhone and iPad are full trackers too, with live map and instruments - Sessions sync automatically between your devices through iCloud AFTER THE SAIL - Scrub through the speed chart: speed, time and position at any moment - Standard or satellite map, free of clutter - Share sessions via AirDrop, export GPX, import GPX from other apps - Nautical coordinates (degrees and decimal minutes) PRIVATE BY DESIGN No accounts, no developer servers, no ads, no analytics. Your data stays on your devices and in your private iCloud. TIPS - For sessions longer than a couple of hours, record with an iPhone or iPad connected to onboard power - On iPad, GPS requires a Wi-Fi + Cellular model Continued use of GPS running in the background can dramatically decrease battery life.