# Dutchman's Log vs Knotmeter

The clearest difference is update cadence: Knotmeter at every 5 months against Dutchman's Log's every 15 months. Knotmeter also leads on price ($1.99 vs $2.99) and iOS requirement (11.1 vs 18.1). On ads, in-app purchases and device support there is nothing between them.

Dutchman's Log costs $2.99 and Knotmeter $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dutchman's Log ships an update every 15 months, Knotmeter every 5 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Dutchman's Log | Knotmeter |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knotmeter/id890914719/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 months** |
| Monetization | — | Paid |
| Size | 1 MB | 2 MB |
| Requires iOS | 18.1 | **11.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Navtech Software](https://appshunter.io/developer/355517263) | [SKALO AB](https://appshunter.io/developer/890914722) |

## What reviewers say

### Dutchman's Log

[App page](https://appshunter.io/ios/app/dutchmans-log/id474782184)

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

**In-app purchases:** none


### Knotmeter

[App page](https://appshunter.io/ios/app/knotmeter/id890914719)

This application measures and displays the speed of boats and other watercraft. It shows speed in both knots and km/h, and tracks average and top speeds until reset.

**Highlights:** Measures boat speed, Displays speed in knots and km/h, Tracks average speed, Tracks top speed, Speed reset function

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dutchman's Log free?

Dutchman's Log costs $2.99, with no in-app purchases.

### Is Knotmeter free?

Knotmeter costs $1.99, with no in-app purchases.

### Do Dutchman's Log or Knotmeter have ads?

Neither Dutchman's Log nor Knotmeter shows ads.

### Which is updated more often, Dutchman's Log or Knotmeter?

Dutchman's Log ships an update every 15 months, and Knotmeter every 5 months. Most recently, Dutchman's Log was updated on October 12, 2026 and Knotmeter on October 14, 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.*