TideMeasure vs Tidey

Measure sea-current speed and direction from your iPhone in minutes—built for sailors, coaches, and race teams. Map readings across the race area, review history, export CSV data, and share measurements with your team for smarter tactical decisions. WHY TIDEMEASURE Even a small current can change boat speed, laylines, mark roundings, and the favored side of the course. TideMeasure turns a simple drift test into a clear speed-and-direction result without specialized hardware. HOW IT WORKS 1. Drop a floating stick or small object into the water. 2. Tap Start as it begins to drift. 3. Retrieve it after a short measurement. 4. Tap Stop to see current speed and direction. FEATURES • Measure current speed and direction using GPS • View results in m/min, m/s, cm/s, or knots • Map measurements across the race area • Review saved measurements and history • Create or join a team and share readings • Select and export measurements as CSV • Continue measuring offline TideMeasure is designed for race preparation, coaching, training sessions, and building a clearer picture of current around the course. Location access is required during measurements and for displaying results on the map. Apple Maps data is used for mapping.

Tidey shows which way the tide is flowing, how fast anywhere around the UK coast, for any date and time. THE WHOLE UK, FREE Tidal-stream arrows for all UK and Irish coastal waters, every 2 hours. The whole country downloads once, so it works offline at sea. HIGH-RESOLUTION LOCAL AREAS Where a detailed local model exists, Tidey draws it instead of the national one. PLANS • Free: national tidal streams every 2 hours. • Tidey Cruise: national tidal streams every 15 minutes. • Tidey Race: everything in Cruise, plus every high-resolution local area, including new ones as they're added. FOR RACING Course builder, wind and true wind angle, and racing marks, free for everyone. TIDE TIMES High and low water times at standard ports, marked on the map. Tap a port, or the tide button for the one nearest where you're looking. Tidey is a planning aid, not a navigation instrument. Always check official sources and conditions before going afloat. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Privacy policy: https://tidey-legal.pages.dev Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/