Showing 21–40 of 1,000 ranked alternatives.
American Sailing Association
Learn skills and race against the clock
Learn fundamentals through six interactive modules covering Points of Sail, Apparent Wind, Sail Trim, Tacking and Jibing, Rules of the Road, and Docking. Practice skills in a timed course simulation to apply knowledge in a realistic environment.
TuesdayCoding GmbH
Tie knots with step-by-step guides
Learn to tie various knots including Simple, Windsor, Half-Windsor, and Four-In-Hand. Follow step-by-step instructions to practice tying knots. Access content offline. View progress and repeat steps for mastery. Share completed knots with others.
Wight Hat Ltd
Convert units, save time, stay accurate
Convert units between 30,000+ conversions. Switch between 160+ currencies including cryptocurrencies with live rates. Save favorite conversions for quick access. Display results in fractions when applicable.
Mahmut Bedir
Learn by watching and comparing examples
Learn to tie climbing, fishing, and decorative by watching instructional videos. Compare different visually. Practice techniques with step-by-step guidance. Save progress and revisit lessons for review.
Dockwa, Inc
Reserve slips and manage reservations
Book boat slips and moorings at marinas, yacht clubs, and boatyards. View amenities, photos, and pricing. Request and manage reservations. No additional costs for users. Syncs with Apple Health.
Orendasoft Ltd.
Review terms and practice questions to learn
Learn terminology through repeated dictionary entries. Practice with question-based quizzes to reinforce understanding. Track progress and review terms for better retention.
Collaborative Boating, Inc.
Rent boats, plan trips, connect with owners
Book for fishing, watersports, sailing, celebrations, or cruising. Search and reserve vessels from private owners. View availability, pricing, and user reviews. Message hosts to confirm details.
Tim O's Studios, LLC
Track speed in mph, km/h, or knots
Displays current speed in mph, km/h, or knots. Features Retina Display and large indicators for clear visibility. No ads included. Uses device hardware to estimate speed. Accuracy improves with less transparent indicators.
Ozgur GUNES
Explore ship stability and navigation
Access ship stability guidelines, navigation rules, COLREG regulations, and marine engineering data offline. View GMDSS procedures, safety protocols, and environmental practices. Search for standards and reference materials anytime without internet.
ExaMobile S.A.
Measure pressure and track altitude
Measure atmospheric pressure and altitude using built-in GPS and pressure sensor. Automatically calibrate readings with local meteorological station data. Display current pressure and elevation levels. Save historical data for reference.
Nitin Katrodiya
, study math, and practice techniques
To tie practical used in boating, camping, climbing, and sailing. View detailed instructions and diagrams. Explore classifications like hitches, bends, and splices. Study theory and its mathematical applications.
StoryToys Limited
Feed the and watch it grow
Explore interactive stories with The ™. Tap to hatch the egg and guide the to find food. Learn about days of the week, numbers, and shapes through playful gameplay. Includes interactive elements and simple navigation for young learners.
Nautica SIA
Learn chartwork and safety rules
Learn fundamentals with interactive lessons on chartwork, safety, buoyage, light signals, shapes, sound signals, meteorology, GMDSS, and anchoring. Take quizzes to test knowledge and track progress.
Lennard Sommer
Knots, rotate steps, save offline
Essential knots with detailed step-by-step guides. Rotate each step 360 degrees for clear visualization. Access tips and applications for each knot. Includes figure-eight, clove hitch, bowline, and more. No internet required.
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