KnotCoach

KnotCoach is the ultimate knot-tying instructor that puts a 3D interactive guide right in your pocket. Whether you're a sailor, climber, angler, camper, or just want to tie a proper Windsor knot — KnotCoach teaches you step by step with beautiful 3D rope visualization. **50 ESSENTIAL KNOTS** Learn the most useful knots across 5 categories: • Marine — Bowline, Figure Eight, Sheet Bend, and more • Climbing — Prusik, Alpine Butterfly, Double Fisherman's, and more • Fishing — Palomar, FG Knot, Blood Knot, and more • Everyday — Windsor tie, Shoe Bow, Macramé, and more • Survival — Trucker's Hitch, Monkey Fist, Paracord Bracelet, and more **INTERACTIVE 3D VISUALIZATION** • Procedurally generated 3D rope — not pre-rendered images • Rotate 360° with your finger — view from any angle • Smooth spline-based rope rendering using SceneKit • Color-coded ropes by category for easy identification **STEP-BY-STEP LEARNING** • Each knot broken into clear, manageable steps • Play/pause animation at any step • Adjustable playback speed (0.5x to 2x) • Tap any step to jump directly to it **SEARCH & ORGANIZE** • Search by name, purpose, or tags ("loop", "rescue", "hook") • Filter by category or difficulty • Save favorites for quick access • Difficulty ratings from Beginner to Expert **DESIGNED FOR ALL DEVICES** • Native iPad layout with sidebar navigation • Full iPhone support with optimized layout • Beautiful dark mode support **PERFECT FOR** • Sailors & boaters • Rock climbers & mountaineers • Fishermen & anglers • Campers & hikers • Scouts & outdoor educators • Anyone learning practical skills