# Troll Master Depth Calculator vs Trolling Angles

The clearest difference is update cadence: Troll Master Depth Calculator at monthly against Trolling Angles's every 6 months. Troll Master Depth Calculator also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases 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 and Trolling Angles sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Troll Master Depth Calculator ships an update monthly, Trolling Angles every 6 months. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Troll Master Depth Calculator | Trolling Angles |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Trevor Lewis](https://appshunter.io/developer/1459946757) | [D A Silkworth Software LLC](https://appshunter.io/developer/1679445948) |

## 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


### Trolling Angles

[App page](https://appshunter.io/ios/app/trolling-angles/id6446864442)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TA Premium Monthly | $2.99 | per month |
| TA Premium Annual | $9.99 | per year |
| TA Elite Permanent | $29.99 | one-time |


## Frequently asked questions

### Is Troll Master Depth Calculator free?

Troll Master Depth Calculator is free to download, with in-app purchases available.

### Is Trolling Angles free?

Trolling Angles is free to download, with in-app purchases available.

### Do Troll Master Depth Calculator or Trolling Angles have ads?

Neither Troll Master Depth Calculator nor Trolling Angles shows ads.

### Which is updated more often, Troll Master Depth Calculator or Trolling Angles?

Troll Master Depth Calculator ships an update monthly, and Trolling Angles every 6 months. Most recently, Troll Master Depth Calculator was updated on September 22, 2026 and Trolling Angles on September 17, 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.*