Radar Plotting vs WindRouter

Radar Plotting provides advanced radar-plotting capabilities for iPhone and iPad. Compute CPA/TCPA, estimate true motion, plan evasive/rescue/escape manoeuvres, and analyse two-target encounters — all visualised on an interactive radar sheet. Highlights: - Precise kinematic calculations (CPA/TCPA, aspect, true & relative speed) - Evasive manoeuvres with COLREG guidance - Rescue & escape planning, including scenarios with faster vessels - Double-target handling - Current/drift estimation - Interactive canvas with adjustable scales and animated trajectory playback - Import/export via QR code and PDF report generation Safety note: This app is for training and decision support. It does not replace certified navigational equipment or official procedures. Always follow COLREG and local/company rules.

WindRouter is the sailing weather router you buy once - no subscription, ever. Most apps charge every year: PredictWind $249/yr, Savvy Navvy $99/yr, Navionics ~$50/yr. WindRouter is a single purchase you own for life - all features included, no add-ons. EVERYTHING INCLUDED - Unlimited isochrone weather routing across multi-day forecasts (GRIB / Open-Meteo / NOAA) - 15+ built-in boat polars plus custom polar import & editing - Departure-time comparison - find the best window to leave - NMEA 0183 instruments + B&G / Raymarine chart-plotter link - Live wind, wave & pressure forecasts on charts with OpenSeaMap & NOAA overlays THE CRUISER'S PLAYBOOK, BUILT IN - 20 ready-made ocean passages: the ARC, Biscay, Azores, the Coconut Milk Run, Caribbean & Mediterranean routes - 200+ curated anchorages and country guides - Draw a route with distance, bearing & waypoints - Import GPX and Navionics USR files - Digital logbook BUILT FOR THE CRUISER PLANNING THEIR NEXT PASSAGE Whether it's your first Biscay crossing, an Atlantic ARC, the Azores, or a season in the Med, WindRouter gives you pro-grade routing (isochrones, VMG, ECMWF-class weather) with a clean, modern interface - without the steep learning curve or the yearly bill. One payment. Yours forever. For passage planning only. Always carry official charts and approved navigation equipment.