Comparison

Troll Master Depth Calculator vs TD Connect by Fish Hawk

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Troll Master Depth Calculator

This app calculates the precise trolling depth of your fishing lure based on various factors like line, lure type, and speed. It also allows for the creation of custom dive charts for at-home planning. Ideal for anglers targeting a wide range of freshwater and saltwater species.

Highlights
  • Calculate trolling depth
  • Create custom dive charts
  • Select line, lure, and weights
  • Adjust factors like speed and length
  • Physics-based calculations
  • On-water testing verified
Features
Read full description

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

About

TD Connect by Fish Hawk

Read full description

Drop it. Reel it. Know it. TD Connect is the companion app for the Fish Hawk TD Connect water temperature and depth sensor (sold separately). Drop your sensor in the water, reel it in, and instantly see detailed water temperature readings from the surface to the bottom — right on your phone. LOGBOOK Every drop is automatically saved to your logbook. Review temperature and depth profiles, see your location on a map, and add notes about fishing conditions or catches. Easily share data with friends. DEVICES Connect and manage multiple TD Connect sensors. Check battery levels, update firmware, and name each sensor so you always know which one you’re using. TEMPERATURE & DEPTH PROFILES View water temperature at every depth. Switch between Fahrenheit and Celsius, feet and meters, and set a target temperature range to find the strike zone fast. LOCATION MARKING Each drop includes GPS coordinates, helping you monitor temperature trends at your favorite spots. CLOUD SYNC Create an account to back up your data and sync your logbook across devices. Your fishing data is always with you. WORKS OFFLINE No cell service? No problem. TD Connect works over Bluetooth and syncs automatically when you’re back online. Requires a TD Connect water temperature and depth sensor from Fish Hawk Electronics. Learn more at fishhawkelectronics.com

Screenshots

Troll Master Depth Calculator4 screens
TD Connect by Fish Hawk3 screens

Verdict

The call

The clearest difference is in-app purchases: TD Connect by Fish Hawk at none against Troll Master Depth Calculator's 3. TD Connect by Fish Hawk also leads on update cadence (weekly vs monthly). Troll Master Depth Calculator's advantage is iOS requirement (12.0 vs 18.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Troll Master Depth Calculator sells 3 in-app purchases, starting at $4.99 per month. TD Connect by Fish Hawk asks for nothing beyond the download.

UpkeepUpdate frequency

Troll Master Depth Calculator ships an update monthly, TD Connect by Fish Hawk weekly. The most recent releases landed on October 25, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
Troll Master Depth Calculator versus TD Connect by Fish Hawk: the parameters behind the verdict, then further details
ParameterTroll Master Depth CalculatorTD Connect by Fish Hawk
PriceFreeFree
Rating3.8 (73 ratings) — better—
Positive reviews65.9% of reviews—
Number of ratings73 — better—
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size51 MB6 MB
Age rating4+4+
DeveloperTrevor LewisGrayden Outdoors LLC

Bugs and requests

Troll Master Depth Calculator

Reported bugs

7 issues
  • App does not work
  • No results found even with inputs
  • Upgrade not working
  • Dive curves are not accurate
  • App throws errors
Show 2 more
  • Doesn't calculate, gives error codes
  • Lures superimposed on other lure types (fixed by text size)

Requested features

6 requests
  • Add saltwater trolling lures
  • Include Yo-Zuri, MagBay, Ilander lures
  • Update and add new baits
  • Add leadcore trolling option
  • More lure selection from major manufacturers
Show 1 more
  • Add Salmo Freedivers and Salmo 5.5's

TD Connect by Fish Hawk

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Troll Master Depth Calculator

Subscriptions2
  • Monthly Subscription$4.991 Month
  • Annual Subscription$19.991 Year
One-time1
  • Lifetime Purchase$49.99
None

TD Connect by Fish Hawk

No in-app purchases

Questions

Is Troll Master Depth Calculator free?
Troll Master Depth Calculator is free to download, with in-app purchases available.
Is TD Connect by Fish Hawk free?
TD Connect by Fish Hawk is free to download, with no in-app purchases.
Do Troll Master Depth Calculator or TD Connect by Fish Hawk have ads?
Neither Troll Master Depth Calculator nor TD Connect by Fish Hawk shows ads.
Which is updated more often, Troll Master Depth Calculator or TD Connect by Fish Hawk?
Troll Master Depth Calculator ships an update monthly, and TD Connect by Fish Hawk weekly. Most recently, Troll Master Depth Calculator was updated on October 25, 2026 and TD Connect by Fish Hawk on October 2, 2026.

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