Showing 21–40 of 1,000 ranked alternatives.
Martijn de Meulder
Navigate waterways and track boating routes
Navigate waterways in the Netherlands, Belgium, and Germany with detailed charts showing fairways, buoys, and traffic signs. Access bridge and lock information, including opening times and contact details.
Andrea Bisegna
Track position and mark waypoints
Track position and course over ground. Mark and edit waypoints. Measure distance in nautical miles and meters. Calculate course to waypoint. Display speed in knots, mph, or km/h.
Rivolu LLC
Set alerts and track forecasts
Track tides and lunar phases with NOAA data. Set custom alerts for high and low tides. View offline information. Access lunar calendar and historical data. Share details via social media. Sync with Apple Health for activity tracking.
The Bear Essentials Outdoors Co. LTD.
Tie knots with 3D visuals and instructions
Reference "View step-by-step 3D animations for tying. Compare knots and learn real-world applications. Access offline without internet. Suitable for all skill levels."
Nautica SIA
Explore content and lessons
Learn techniques through interactive lessons and quizzes. Access a structured curriculum based on coastal skipper course. Track progress with goal setting and completion status. View detailed explanations and diagrams.
Hangzhou Knot Network Technology Co., Ltd
Learn with 3D animations
Learn to tie over 100 essential using 3D visual guides and animated step-by-step tutorials. Access detailed professional hand-tied demonstrations for climbing, sailing, fishing, and military .
Wavve Boating Inc
Find routes, track weather, and locate marinas
Access nautical charts, view tide predictions, and check weather forecasts. Locate marinas, fuel stations, and points of interest. Share real-time updates and connect with other boaters for navigation tips and safety alerts.
Bist LLC
Find spots and track depth
Access depth and marine charts for USA, Canada, UK, and other regions. Locate spots with AI-driven breakline analysis. Create or import boating routes with GPS and voice navigation. View HD bathymetry and sonar contours for precise planning.
7th Gear
Track tides, weather, and radar data
View tidal estimates, lunar data, and weather forecasts. Check current radar for real-time conditions. Select stations via map or favorites. Track changes over time with historical data. Share forecasts with others.
WATT APPS LTD
Track speed with GPS and compass
Track speed using GPS with options for mph, km/h, and knots. Display city name and compass if enabled. Show traveled distance and optional average and maximum speed. Choose from multiple interface colors. Record speed during trips.
Bist LLC
Navigate with voice prompts and chart support
Access vector and raster for . Create or import GPX/KML routes. Use voice prompts for route guidance. View tide and current predictions. Rotate with text remaining upright. Supports chart course orientation.
Calculated Industries, Inc.
Access , charts, and COLREGS documents
Provides access to COLREGS and Inland , including amendments. It includes sound and light signals, steering and sailing , and other essential boating references. Users can search and bookmark regulations for quick reference.
Zhanna Zairova
Learn knots, save knots, share knots
Learn and practice - techniques with detailed visual guides and step-by-step instructions. Browse categorized knots for different purposes. Save favorite knots for quick access. View diagrams and descriptions for each type.
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