Marlin: Ultimate Fishing App

Fish smarter with depth maps, forecasts, and a one-tap logbook. Snap a photo - Marlin suggests species and estimates size and count, then saves it to your log in one tap. Fish at the best times with a precise activity forecast. Plot safe routes both off-road and on the water, and save your secret spots with maximum privacy—everything works offline, too.

What Marlin can do

1. Depth maps: Detailed lake & river depth contours
2. Best time to fish: 14-day activity forecast powered by weather & 20+ factors
3. Photo ID: Get suggested species and size from a photo
4. One-tap auto-log: We detect species, size, and count - saved instantly
5. Angler’s logbook: Keep every catch with notes and weather captured automatically
6. Secret spots: Save waypoints privately - only you can see them
7. GPS tracker: Record tracks on water or off-road, even with the screen off
8. Route following: Smart guidance with off-course alerts
9. Modes for your style: Map • Compass • Trolling
10. Offline first: Download areas and fish anywhere without service

Why anglers choose Marlin

* Save time: Log catches and conditions - no typing.
* Catch more: Find new water and hit peak bite windows.
* Stay organized: Your fishing history, stats, and photos in one place.
* Protect your spots: Waypoints and routes are private - period.

Find new water. Hit the bite window. Keep your spots yours—online or off.

Recent changes:
Bug fixes