Featured Fishing App
Trouthooker PRO Stillwater Trolling Calculator
A precision depth-estimation tool for stillwater trout anglers who want to dial in their trolling presentation and repeat productive setups.

Google Play app listing
App access is through Google Play.
This website page is a product overview and privacy-policy hub. The app is not launched from this website.
Long description
Built for practical trolling decisions.
Trouthooker PRO Stillwater Trolling Calculator is built for stillwater trout anglers who want a faster, cleaner way to estimate trolling depth.
Instead of guessing where your lure or fly is running, enter your setup details and get a practical depth estimate for your trolling presentation.
The app is designed for anglers using conventional and fly fishing setups on lakes, reservoirs, and stillwater trout fisheries.
Features include
- Trolling depth estimate calculator
- Line type and line-out input
- Trolling speed input
- Lure weight and leader length input
- Fly line and sinking-line reference tools
- Saved setup and preset support
- Imperial and metric unit support
- Clean dark interface for outdoor visibility
- Offline-friendly use while on the water
App screens
Depth estimates, setup controls, curve library, and guide screens.
Privacy policy
Data and privacy information.
Review the app-specific privacy policy for information about what the app may process, how data is handled, and how users can request data deletion where applicable.
Disclaimer
Important use notice.
Depth estimates are approximations based on general physics and empirical data. Actual lure or fly depth can vary with line condition, current, wind, lure profile, boat movement, and other factors. Use this tool as a planning aid and verify with a fish finder, safe boating practices, and local fishing regulations whenever possible.
Trouthooker PRO Stillwater