Underway boat logbook FAQ

Underway is a boat logbook for recreational sailing and motorboating. It records your route, distance, speed, and time using your phone’s GPS. You can add notes, keep trips for multiple boats, record fuel fill-ups and engine hours, and review your season totals.

No. Underway is your personal boating logbook. Your trips and notes stay on your phone, so you can record a day on the water and revisit it when you’re back ashore. Use your navigation app or chartplotter to plan and navigate your route.

Start each journey yourself by tapping Start journey before you leave. Auto-stop can then finish the journey when Underway detects your arrival. It is on by default, but detection can take time and support varies by area. You can end a journey manually at any time or turn auto-stop off in Settings.

Yes. Underway is designed to work offline. Record your journeys, add notes, and review your saved trips and season totals without an internet connection. Your logbook is stored on your phone.

Yes. A journey you start continues recording with the screen locked or another app open. Keeping battery use as low as possible while recording reliably is a top priority in Underway’s development. GPS recording uses battery, and usage depends on your phone, settings, and trip length. Keep your phone charged for longer trips and allow the location access requested by the app.

No account is required. Your logbook is saved locally on your phone, so you can record and review your trips offline.

Yes, if you can export a recorded track as a GPX file. Underway imports GPX tracks with timestamps from those apps, chart plotters and other sources. Planned routes and waypoints alone won’t import.

Your logbook is your data. You can export individual journeys as GPX files to keep your own copies or use them in other compatible apps. Export works offline.