# Troll Master Depth Calculator vs Fish Measure 2

The clearest difference is rating: Fish Measure 2 at 5.0 against Troll Master Depth Calculator's 3.8. Fish Measure 2 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) and device support (3 vs 1). On price and ads 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. Fish Measure 2 asks for nothing beyond the download.

Fish Measure 2 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 Fish Measure 2's.

Troll Master Depth Calculator ships an update monthly, Fish Measure 2 daily. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Troll Master Depth Calculator | Fish Measure 2 |
| --- | --- | --- |
| 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/fish-measure-2/id6809310781/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 | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 51 MB | 70 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Lewis](https://appshunter.io/developer/1459946757) | [Jerrod Taylor](https://appshunter.io/developer/1856473828) |

## 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


### Fish Measure 2

[App page](https://appshunter.io/ios/app/fish-measure-2/id6809310781)

Instantly estimate the length, girth, and weight of your fish by taking a photo. The app can also identify the species, eliminating the need for manual measurements or rulers. Save your catches to build a personal log of your fishing success.

**Highlights:** Estimate fish length, Estimate fish girth, Estimate fish weight, Identify fish species, Save catch records, Analyze photos from library

**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 Fish Measure 2 free?

Fish Measure 2 is free to download, with no in-app purchases.

### Which has better reviews, Troll Master Depth Calculator or Fish Measure 2?

Fish Measure 2 is rated higher. Troll Master Depth Calculator averages 3.8 out of 5 from 73 ratings, while Fish Measure 2 averages 5.0 from 1 ratings.

### Do Troll Master Depth Calculator or Fish Measure 2 have ads?

Neither Troll Master Depth Calculator nor Fish Measure 2 shows ads.

### Which is updated more often, Troll Master Depth Calculator or Fish Measure 2?

Troll Master Depth Calculator ships an update monthly, and Fish Measure 2 daily. Most recently, Troll Master Depth Calculator was updated on October 25, 2026 and Fish Measure 2 on October 10, 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.*