# Troll Master Depth Calculator vs ProNav Plus

The clearest difference is rating: ProNav Plus at 5.0 against Troll Master Depth Calculator's 3.8. ProNav Plus also leads on in-app purchases (none vs 3) and review sentiment (100% vs 66%). Troll Master Depth Calculator's advantage is ratings volume (73 vs 1). On price, ads, device support and iOS requirement 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. ProNav Plus asks for nothing beyond the download.

ProNav Plus holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Troll Master Depth Calculator has 73 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 66% of Troll Master Depth Calculator's written reviews are positive against 100% of ProNav Plus's.

## The numbers

| Metric | Troll Master Depth Calculator | ProNav Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (73 ratings)](https://appshunter.io/ios/app/troll-master-depth-calculator/id1459946758/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pronav-plus/id6456223533/reviews)** |
| Number of ratings | **73** | 1 |
| Positive reviews | 65.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 51 MB | 91 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Lewis](https://appshunter.io/developer/1459946757) | [ProNav Marine](https://appshunter.io/developer/1120520939) |

## 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


### ProNav Plus

[App page](https://appshunter.io/ios/app/pronav-plus/id6456223533)

Control your bow-mounted trolling motor with your smartphone or tablet. This app offers GPS-guided autopilot, route planning, and the ability to use your motor as an anchor. Manage your fishing trips with advanced navigation features.

**Highlights:** GPS-guided autopilot, Create and follow routes, Motor as an anchor, Store anchor points and routes, Plan routes on/off water, Manual and vector control

**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 ProNav Plus free?

ProNav Plus is free to download, with no in-app purchases.

### Which has better reviews, Troll Master Depth Calculator or ProNav Plus?

ProNav Plus is rated higher. Troll Master Depth Calculator averages 3.8 out of 5 from 73 ratings, while ProNav Plus averages 5.0 from 1 ratings.

### Do Troll Master Depth Calculator or ProNav Plus have ads?

Neither Troll Master Depth Calculator nor ProNav Plus shows ads.

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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.*