Lazy Skipper
Offline handbook & tools for yacht skippers

Everything a skipper looks up — in the pocket, without signal.

Lazy Skipper is an iPhone app for sailing skippers and Day Skipper students. Reference, tools and checklists work completely offline: on the water, in the marina, in the exam room.

App Store — coming soon · TestFlight beta now

Handbook

VHF & distressMAYDAY, PAN-PAN, SÉCURITÉ scripts line by line with your vessel and position filled in; DSC, false alert, relay, channels, prowords, all Annex IV distress signals.
Yacht anatomyInteractive 3D sloop: tap any part to see its name and what it is for — hull, deck gear, spars, standing and running rigging, sails.
Buoys & marksIALA regions A and B with topmarks, lights and “what to do” diagrams.
Lights, sounds & rules39 COLREG light configurations with night views, 17 sound signals with playback, rules of the road explained per situation.
Chart symbolsA curated guide to the symbols that matter to a yacht, plus the full US Chart No. 1 index.
Knots, flags & alphabetStep-by-step knot figures, ICS flags, NATO phonetics and Morse.
WeatherBeaufort and Douglas scales with illustrations, synoptic charts, tides and streams, winds of the world, forecasts by radio.

Tools

Under keel · under bridge · anchor rodeClearance and scope calculators with live diagrams.
Light builderPlace the lights you see at night — the app names the vessel.
Morse & maritime alphabetType a message: hear it in Morse, see it in flags and phonetics.
Magnetic variationFrom the compass rose on the chart to today’s variation and course conversion.

Checklists

Yacht check-in and check-out, overnight, morning departure, under way, crew briefing — with a “critical only” mode.

Languages & price

Ukrainian and English, switchable inside the app. Free. No accounts, no ads, no tracking — see the privacy policy.

Not for navigation

Lazy Skipper is a learning reference. It is not a navigation instrument and must not be used as one. Always rely on official charts, publications and equipment.