# Troll Master Depth Calculator vs Goose Tech

The clearest difference is price: Troll Master Depth Calculator at Free against Goose Tech's $19.99. Goose Tech's advantage is rating (4.8 vs 3.8) and in-app purchases (none vs 3). On ratings volume, update cadence, ads and device support there is nothing between them.

Troll Master Depth Calculator is free to download; Goose Tech costs $19.99 up front. Troll Master Depth Calculator sells 3 in-app purchases, starting at $4.99 per month. Goose Tech asks for nothing beyond the download.

Goose Tech holds the better App Store score, 4.8 against 3.8. Both are backed by a comparable volume of ratings — 73 and 42 respectively. Written reviews point the same way: 66% of Troll Master Depth Calculator's written reviews are positive against 93% of Goose Tech's.

Troll Master Depth Calculator ships an update monthly, Goose Tech every 3 weeks. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Troll Master Depth Calculator | Goose Tech |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [3.8 (73 ratings)](https://appshunter.io/ios/app/troll-master-depth-calculator/id1459946758/reviews) | **[4.8 (42 ratings)](https://appshunter.io/ios/app/goose-tech/id1508619191/reviews)** |
| Number of ratings | **73** | 42 |
| Positive reviews | 65.9% of reviews | **92.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#190** |
| Size | 51 MB | 35 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Lewis](https://appshunter.io/developer/1459946757) | [GOT GAME TECHNOLOGIES, LLC](https://appshunter.io/developer/1270297950) |

## 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


### Goose Tech

[App page](https://appshunter.io/ios/app/goose-tech/id1508619191)

**Currently charting:** #190 Top Paid · Sports (US App Store)

Master goose calling with expert instruction. Learn the fundamentals, a unique sound alphabet, and various calls. Practice with audio comparisons and receive hunting tips to improve your success in the field.

**Highlights:** Expert-led video instruction, Goose call sound alphabet, Library of goose calls, Audio comparison tool, Hunting tips and tactics, Skill builders and sequences

**Features:** macOS Compatibility, Vision Pro support

**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 Goose Tech free?

Goose Tech costs $19.99, with no in-app purchases.

### Which has better reviews, Troll Master Depth Calculator or Goose Tech?

Goose Tech is rated higher. Troll Master Depth Calculator averages 3.8 out of 5 from 73 ratings, while Goose Tech averages 4.8 from 42 ratings.

### Do Troll Master Depth Calculator or Goose Tech have ads?

Neither Troll Master Depth Calculator nor Goose Tech shows ads.

### Which is updated more often, Troll Master Depth Calculator or Goose Tech?

Troll Master Depth Calculator ships an update monthly, and Goose Tech every 3 weeks. Most recently, Troll Master Depth Calculator was updated on September 22, 2026 and Goose Tech on September 23, 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.*