iOS App for Offshore Sailors

Quiet when it should be.
Loud when it matters.

Reliable anchor, AIS and offshore alerts designed by sailors for real-world sailing.

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Core Features

9:41
NORTHSTAR N S 14 NMEA
⚠ NORTHSTAR
CPA 0.3 NM
TCPA 8 min
Sector Ahead
Watch
Alarms
Settings

AIS Watch

CPA and collision alerts designed to keep watch while you rest.

9:41
50m 100m GPS ±4m
Anchor Watch
6
m away
11
m max
Radius
20 m
⊙ Weigh Anchor
Watch
Alarms
Settings

Anchor Watch

Reliable drag monitoring with swing track and configurable radius.

9:41
VALUE ALARM
1 alarm triggered
TWS
Limit: > 30.0
32.4 kn
Snooze 5 min
Dismiss
Watch
Alarms
Settings

Smart Alerts

Custom alerts for wind, depth, battery levels and onboard data.

About

Built offshore.
Not in a boardroom.

LYFE Offshore was created by professional sailor and engineer Kalle Coster after years of offshore sailing, racing and living aboard with his family.

Designed from real-world experience — focused on reliable alerts, clarity and trust when it matters most.

Kalle Coster Founder, Sailor & Engineer

"Designed to keep watch so you can sleep, sail or focus on other things."

LYFE Offshore

Interactive Demo

See it in action.

Tap a scenario to see how LYFE responds in real offshore conditions.

9:41
ANCHOR DRAG
Outside anchor radius
Distance
Radius: 80 m
94 m
Snooze 5 min
Weigh Anchor
Watch
Alarms
Settings
Collision Risk
ARCTIC QUEEN
Sector: Ahead · Converging
Range
1.4
NM
CPA
0.2
NM
TCPA
6
min
Dismiss 20s
Acknowledge
Watch
Alarms
Settings
VALUE ALARM
1 alarm triggered
TWS
Limit: > 30.0
38.2 kn
Snooze 5 min
Dismiss
Watch
Alarms
Settings

Available on iOS

Designed for sailors
who actually go offshore.

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