# IkiJime Tool vs Troll Master Depth Calculator

The clearest difference is rating: Troll Master Depth Calculator at 3.8 against IkiJime Tool's 2.3. Troll Master Depth Calculator also leads on update cadence (monthly vs every 16 months) and ratings volume (73 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. IkiJime Tool sells 1 one-off in-app purchase and Troll Master Depth Calculator sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Troll Master Depth Calculator holds the better App Store score, 3.8 against 2.3. That said, the two scores are not equally well evidenced: Troll Master Depth Calculator has 73 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of IkiJime Tool's written reviews are positive against 66% of Troll Master Depth Calculator's.

IkiJime Tool ships an update every 16 months, Troll Master Depth Calculator monthly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IkiJime Tool | Troll Master Depth Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/ikijime-tool/id704308194/reviews) | **[3.8 (73 ratings)](https://appshunter.io/ios/app/troll-master-depth-calculator/id1459946758/reviews)** |
| Number of ratings | 3 | **73** |
| Positive reviews | 50.0% of reviews | **65.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 33 MB | 51 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DigsFish Services Pty Ltd](https://appshunter.io/developer/704308197) | [Trevor Lewis](https://appshunter.io/developer/1459946757) |

## What reviewers say

### IkiJime Tool

[App page](https://appshunter.io/ios/app/ikijime-tool/id704308194)

This app guides anglers on how to humanely dispatch fish using the ikijime method. It offers detailed information, including x-rays and brain locations, for over 200 species, accessible offline.

**Highlights:** Humane fish dispatch guide, Ikijime method instructions, X-rays showing brain location, Database of 200+ fish species, Offline functionality, GPS-based sorting, Customizable favorites list

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ikijime Tool Extreme | $2.99 | one-time |


### 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


## Frequently asked questions

### Is IkiJime Tool free?

IkiJime Tool is free to download, with in-app purchases available.

### Is Troll Master Depth Calculator free?

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

### Which has better reviews, IkiJime Tool or Troll Master Depth Calculator?

Troll Master Depth Calculator is rated higher. IkiJime Tool averages 2.3 out of 5 from 3 ratings, while Troll Master Depth Calculator averages 3.8 from 73 ratings.

### Do IkiJime Tool or Troll Master Depth Calculator have ads?

Neither IkiJime Tool nor Troll Master Depth Calculator shows ads.

### Which is updated more often, IkiJime Tool or Troll Master Depth Calculator?

IkiJime Tool ships an update every 16 months, and Troll Master Depth Calculator monthly. Most recently, IkiJime Tool was updated on October 23, 2026 and Troll Master Depth Calculator on October 25, 2026.

---

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