Your Boat. Your Voyages.
All in One Place.
Log passages with GPS or manual entry, track maintenance by date or engine hours, and keep a single logbook for your vessel. Offline-first so your data is always there.
Built for the modern mariner
Passages & logbook
Record every trip with GPS or manual entry. Distance, duration, crew, and notes in one place. Add photos to passages. Pro unlocks full history and the GPS track on the map.
Learn moreMaintenance tracker
Never miss an oil change or inspection. Tasks by calendar date or engine hours. Complete with log and cost. Pro adds scheduled push reminders so you stay on top of due dates.
Manage maintenanceEngine hours & logbook
Start and stop the engine timer from the dashboard. Sessions feed into your vessel total. The logbook combines passages and maintenance history with cost tracking in one view.
Explore toolsLoved by boat owners
"Nautog has completely replaced my paper logbook. The GPS passage and offline sync are a lifesaver when we're offshore."
"The maintenance reminders saved us from missing a critical service. It's the most essential app on our boat."
"Finally, an app that understands boat ownership. Simple, robust, and the nautical styling is just right."
Master your vessel with Nautog Pro
- Full passage history (up to 500 entries)
- GPS track on the map for each passage
- Scheduled maintenance reminders
- Cloud sync (vessels & passages when online)
$69.99/year instead of $119.88. Full history, reminders, and sync—all in one subscription.
Get the app
Download Nautog for iOS or Android. Start with the free tier and upgrade to Pro when you need full history and reminders.