# Troll Master Depth Calculator vs TD Connect by Fish Hawk

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.

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.

Troll Master Depth Calculator ships an update monthly, TD Connect by Fish Hawk weekly. The most recent releases landed on November 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Troll Master Depth Calculator | TD Connect by Fish Hawk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (73 ratings)](https://appshunter.io/ios/app/troll-master-depth-calculator/id1459946758/reviews)** | — |
| Number of ratings | **73** | — |
| Positive reviews | 65.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 6 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Lewis](https://appshunter.io/developer/1459946757) | [Grayden Outdoors LLC](https://appshunter.io/developer/972529357) |

## What reviewers say

### Troll Master Depth Calculator

[App page](https://appshunter.io/ios/app/troll-master-depth-calculator/id1459946758)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $19.99 | per year |
| Lifetime Purchase | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use and convenient
- 🎯 Accurate depth calculations
- 🎣 Great for trolling
- 💡 Constantly adding new lures
- 🚀 Fast and efficient

**What reviewers complain about**

- 👎 Limited lure selection
- 🐛 Buggy in certain configurations
- 🤷‍♂️ Inaccurate dive curves
- ❌ Does not work in some configurations
- 🚫 Upgrade doesn't always unlock features

**Reported bugs**

- App does not work
- No results found even with inputs
- Upgrade not working
- Dive curves are not accurate
- App throws errors

**Requested features**

- 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


### TD Connect by Fish Hawk

[App page](https://appshunter.io/ios/app/td-connect-by-fish-hawk/id6747689049)

**In-app purchases:** none


## Frequently asked 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 November 3, 2026 and TD Connect by Fish Hawk on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*