Troll Master Depth Calculator15.2 - App Store

The most comprehensive trolling app on the market! Use it on the water to calculate your depth or use it at home to construct your own dive charts. This app lets you select your line, your lure, a diver or trolling weights, and then combine them however you want. Quickly and easily see the effect of changing line length, speed, weight, leader length, rod height, lures and many other factors.

This is a great app for anyone who fishes in saltwater, freshwater, or anywhere in between. The app has many features for walleye, trout, salmon, striped bass, red drum, tuna, wahoo, and pretty much any other species you might troll for.

This app uses physics based calculations to determine the trolling depth of your lure with precision based on your inputs. The calculations have been verified via on the water testing.

Lure types:
Bagley Rumble B 9
Bagley Rumble B 11
Bagley Rumble B 13
Bandit B Shad
Bandit Bandit 100
Bandit Bandit 200
Bandit Bandit 300
Bandit Walleye Deep
Bandit Walleye Shallow
Bay Rat Bay Rat
Bay Rat Bay Rat LD
Bay Rat Long Extra Deep
Berkley Flicker Minnow 5
Berkley Flicker Minnow 7
Berkley Flicker Minnow 9
Berkley Flicker Minnow 11
Berkley Flicker Shad 5
Berkley Flicker Shad 7
Berkley Flicker Shad 9
Berkley Flicker Shad Shallow 5
Berkley Flicker Shad Shallow 7
Berkley Jointed Flicker Shad 5
Berkley Jointed Flicker Shad 7
Bill Lewis Rattle Trap 3 inch
Bomber CD20
Bomber CD25
Bomber CD30
Bomber Long A 14A 3 1/2
Bomber Model A B02, 2A
Bomber Model A B04, 4A
Bomber Model A B05, 5A
Bomber Model A B06, 6A
Bomber Model A B07, 7A
Cotton Cordell Wally Diver CD5
#3 Crawler Harness
#4 Crawler Harness
4 inch Dodger/Fly
4.5 inch Dodger/Fly
6 inch Dodger/Fly
4 inch Flasher/Fly
8 inch Flasher/Fly
11 inch Flasher/Fly
Lead Jig with Trailer
Spoon
Kilam Custom Baits Supa6
Norman DD22
Norman Deep Baby N
Norman Deep Little N
Norman Deep Tiny N
Norman Middle N
Rapala Deep Husky Jerk 12
Rapala Husky Jerk 10
Rapala Jointed Deep Husky Jerk 8
Rapala Jointed Shad Rap 4
Rapala Jointed Shad Rap 5
Rapala Jointed Shad Rap 7
Rapala Minnow Rap 9
Rapala Original Floater F9
Rapala Original Floater F11
Rapala Original Floater F13
Rapala Scatter Rap Deep Husky Jerk 10
Rapala Scatter Rap Tail Dancer 9
Rapala Shad Dancer 5
Rapala Shad Rap 5
Rapala Shad Rap 7
Rapala Shad Rap 9
Rapala Shad Rap Deep 9
Rapala Shallow Shad Rap 5
Rapala Shallow Shad Rap 7
Rapala Tail Dancer 5
Rapala Tail Dancer 7
Rapala Tail Dancer 9
Rapala Tail Dancer Deep 7
Rapala Tail Dancer Deep 9
Rapala Tail Dancer Deep 11
Reef Runner Deep Little Ripper
Reef Runner Reef Runner Deep
Salmo Bullhead 4
Salmo Bullhead 6
Salmo Frisky Deep 5
Salmo Frisky Shallow 7
Salmo Hornet 3F
Salmo Hornet 4F
Salmo Hornet 5F
Salmo Hornet 6F
Bucktail
Bucktail with Trailer
Bullet
Parachute
Parachute with Trailer
Soft Plastic Swimbait
Tube
Umbrella Rig
Smithwick Elite 8 Rogue
Smithwick Perfect 10
Smithwick Suspending Rattling Rogue
Smithwick Top 20
Storm Deep Thunderstick
Storm Deep Thunderstick Jr
Storm Hot N Tot 3/16oz 5cm
Storm Hot N Tot 3/8oz 6cm
Storm Thin Fin 6
Storm Thin Fin 8
Storm Wiggle Wart
Striper Sniper Kodiak Jig, 1 oz
Striper Sniper Ultralight Rig, 10 in Worms
Striper Sniper Ultralight Rig, 4in Shad
Striper Sniper Ultralight Rig, 7in Worms
Walleye Nations Creations Reaper
Walleye Nations Creations Shaky Shad 5
Walleye Nations Creations Shaky Shad 7
XTackle XTDR4
XTackle XTDR6
Yo-Zuri Deep Diver Crystal Minnow
Yo-Zuri Floating Crystal 3D Minnow 4 3/8
Yo-Zuri Floating Crystal 3D Minnow 5 1/4
Terms of Use: http://rmlew.atwebpages.com/trollmaster/termsofuse.html

Version History We added a monthly subscription option and increased the functionality of the free version of the app. 15.2 04/24/2025 Updates to fluorocarbon lines 15.1 06/02/2023 Fluorocarbon lines added! 15.0 03/25/2023 New lures! Kilam Custom Baits Supa6, Bill Lewis Rattle Trap (3 inch), Xtackle XTDR4 and XTDR6, Rapala Floaters F9, F11, and F13 14.3 05/13/2021 Minor updates 14.1 10/08/2020 Added Fireline and PowerPro lines! 14.0 10/02/2020 Updates to free app permissions 13.6 08/22/2020 Minor updates 13.5 08/15/2020 Added Norman and Yo-Zuri lures, #40 and #50 Jet divers; unlocked additional features for the free version! 13.2 07/23/2020 Now over 100 lures! Our app lets you easily calculate how much line to let out to put your rig in the strike zone. The Troll Master app includes monofilament, braid, and leadcore lines as well as Dipsy Divers, Sea Striker Planers, trolling weights, and more! Download the app for Free and then Upgrade it to unlock all of the lures. 13.1 06/27/2020 Updates to shallow crankbaits, subscription check routines updated 12.4 04/13/2020 Updated free app tackle selection 12.3 04/02/2020 Updates to in app purchases 12.2 03/22/2020 Updates to in app purchases 12.1 03/21/2020 Subscriptions are now available! 12.0 03/19/2020 New icon, minor updates 11.2 02/08/2020 Added the following lures: Smithwick Perfect 10, Scatter Rap Deep Husky Jerk 10, Scatter Rap Tail Dancer 9, Hot N Tot 3/8 oz/6cm, Hot N Tot 3/16 oz/5cm, Hornet 3, Hornet 4, Hornet 5, Hornet 6 11.1 11/26/2019 Added Target Depth input and the following lures: Tail Dancer 5, Tail Dancer 7, Tail Dancer 9, Tail Dancer Deep 7, Tail Dancer Deep 9, Tail Dancer Deep 11, Bay Rat, Bay Rat Deep, Walleye Deep, Deep Little Ripper, Reef Runner Deep Diver, Shad Dancer 5 11.0 09/23/2019 Added braid as a leader option 10.1 09/11/2019 Added Jet Divers #20 and #30, Shad Rap 5, Shad Rap 7, Shad Rap 9, Shallow Shad Rap 5, Shallow Shad Rap 7 10.0 09/02/2019 Now with lead core line, many new crankbaits, Dipsy Divers, crawler harnesses, and much more for freshwater and saltwater fishing! 9.1 08/22/2019 Many new crankbaits, lead core line added, crawler harnesses add, depth algorithm improvements, 9.0 08/20/2019 Updates to App Review function 8.1 07/30/2019 Added App Review button 8.0 07/29/2019 Now including Striper Sniper lures, Flasher & Fly, Dodger & Fly, and Sea Striker Diving Planers! 7.0 07/21/2019