Sailor's Companion

Sailor's Companion

Sailing logbook, track & log

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Free
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Features

Background Location Access

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About

Sailor’s Companion is the sailing logbook that sails along: everything that matters on one screen, a thumb away — and as beautiful as sailing itself. A CHART THAT STAYS SHARP — AND GOES OFFLINE (PREMIUM) Drawn live, the chart stays crisp at every zoom, and sea marks appear wherever you sail. Draw a rectangle over your cruising area and that chart is saved to the phone: the same chart, the same sea marks, with no connection at all. Place names come from that same data: your logbook names your anchorage with no signal, and you search for places the same way. Twelve chart layers switch on and off one by one. PRESS AND HOLD THE CHART A card opens on the spot you picked: read off its position, find a place or type a coordinate, set a course there with GoTo, or leave a note — and tell OpenStreetMap when a sea mark is missing, wrong or gone. It is also where you drop your own markers, with a symbol, colour and note — they belong to the chart, not the voyage. WHAT YOU SAW, WHERE YOU SAW IT Whales, dolphins, seals, birds, turtles, sharks: hold the chart, pick the species, and the sighting stays put. The species list ships with the app, and sightings travel into the logbook, the PDF and a shared link. SHARE YOUR VOYAGE, LIVE Send one link and family and friends follow you in a browser while you sail: the track, anchorages and moorings by name, distance, time under way and speed. Nothing to install, no account, and only whoever holds the link can read it. EVERYTHING IN ONE TAP Log a manoeuvre or status change with a single tap on the status wheel; on the same screen you read SOG, COG and the miles sailed. ON YOUR WRIST AND ON IPAD The same status wheel on your Apple Watch: your status with SOG and COG at a glance, quick actions like Tack and Jibe under your thumb, and the whole trip in numbers. What you log out of range lands on the phone once it’s back. On iPad, landscape puts chart and logbook side by side, from the Pro down to the mini. GOOD SEAMANSHIP The latest forecast right in your logbook, quick observations in Beaufort, Douglas and oktas, and a status that knows whether you’re sailing, motoring or anchored — a hand with your navigation lights. TRACK AND MANOEUVRES, UNITED Your path is recorded to the metre and tied to every logged manoeuvre; miles sailed come from the real distance travelled. Colour your track by speed or status, and measure up to six routes at once, each with distance, bearing and a live ETA. SLEEP EASY AT ANCHOR Set a swing circle: the anchor watch keeps an eye on your position, sounds the alarm if you drag, and shows it on your Lock Screen. ONE BUTTON FOR PERSON OVERBOARD Press and hold and the app drops a person-overboard mark, starts the clock, and points you back with bearing and distance. TANKS AND BATTERIES AT A GLANCE Keep track of every tank and bank, log readings, and see how long fuel and water will last. YOUR BOAT’S INSTRUMENTS Connect to your NMEA 2000 network, directly or through Signal K: speed, heading and, if you like, your position come from the boat’s own instruments. Arrange the compass rose to show exactly what you want. SEE THE TRAFFIC AROUND YOU AIS vessels and sea marks with an AIS transmitter appear on your chart, each with a heading predictor and a detail card. Set a distance and the app warns you when a closest approach falls inside it. Pin a single vessel and it stays drawn, and warns you on its own. EVERY DEVICE IN SYNC (PREMIUM) Turn on sync and your logbooks, tracks and entries stay together across iPhone and iPad over iCloud — switch devices and keep sailing; only one device records at a time. YOUR VOYAGE MEMORY At the end a PDF export awaits: the track on a map plus plenty of statistics. Or make a film of it — the app flies your track from the air, over your own sea chart, with sound, every mooring named and your sightings in among them. One day or the whole voyage, in the format your channel wants. Sailor’s Companion — beautiful, simple, one tap away.
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What's New in Sailor's Companion

1.6.0

September 12, 2026

Sailor’s Companion 1.6 — your own marks on the chart, and the one vessel you want to keep an eye on. • Markers on the chart — hold the chart → “Drop a marker”: a mark of your own with a symbol, shape, colour, name and note. Markers belong to the chart, not to the voyage: they outlive the logbook you set them from, travel with device sync and sit in the iCloud backup. Fifteen symbols from the app and the six animal symbols of the sightings are yours to pick from, plus a chart layer of their own. An existing marker is edited in place — what you change applies at once. • Follow an AIS target — tap a vessel, press the pin: it stays drawn even with the AIS layer off, and it outlives the six-minute ageing as a hollow silhouette stamped “last heard”. Bearing and distance stand in the control panel, and on request it raises the alarm when that one vessel comes closer than a distance you set — explicitly while lying still too, because “tell me when he is within two miles” is exactly what you want when you are waiting at anchor. An aged target claims nothing: no heading arrow, no CPA, no speed, only its last position with the time on it. • Several measurements at once — up to six routes on the chart, each in its own colour, and they stay until you take them away. A tap makes one of them active; the active one gives the numbers: bearing and distance on the compass rose, the time of arrival, the GPX export. A long press opens the menu to add, recolour and remove. • Type or dial in a coordinate — the chart search now takes a position as well: decimal degrees, degrees with decimal minutes, degrees-minutes-seconds, with or without N/S/E/W, point or comma. Below it sits a digit wheel for entry without a keyboard, and a preview shows what you typed in both notations before the chart jumps there. • The battery lasts longer — the GPS receiver sleeps when the boat lies measurably still or you are ashore; the system wakes the app as soon as the boat leaves its place. Alongside it, four switches that each throttle what runs in the background: the Lock Screen display, the control panel, AIS and sharing. The anchor watch is exempt from all of it — an alarm that comes late because of a battery setting would be a safety defect. • Sightings and chart notes carry the boat’s course and speed at the moment of the entry, visible in the logbook and in every export. If the boat lay still the fields stay empty rather than claiming a zero. Older entries are not filled in after the fact. • AIS sea marks now arrive over NMEA 2000 as well, not over NMEA 0183 alone. Also fixed: a long passage in busy water no longer kills the app — every speed label beside a vessel created an image that was never released again, and after barely three hours the memory was full. And if the launch ever hangs, the way now leads out of the splash screen instead of nowhere, including the option to read a repaired database back in. As always: offline-first, one thumb, out at sea.

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Subscription plans

Sailor's Companion Premium

PDF & KML export, multiple logbooks, iCloud backup

$17.991 Year
3 Days trial
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