# NavLink US vs Knotmeter

The clearest difference is price: Knotmeter at $1.99 against NavLink US's $30.99. Knotmeter also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 4). On ratings volume, update cadence, ads and monetization model there is nothing between them.

NavLink US costs $30.99 and Knotmeter $1.99 up front. NavLink US sells 4 in-app purchases, starting at $7.99 per year. Knotmeter asks for nothing beyond the download.

Knotmeter holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

NavLink US ships an update every 6 months, Knotmeter every 5 months. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NavLink US | Knotmeter |
| --- | --- | --- |
| Price | $30.99 | **$1.99** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/navlink-us/id804666182/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knotmeter/id890914719/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Paid | Paid |
| Size | 28 MB | 2 MB |
| Requires iOS | **11.0** | 11.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DigitalYacht Ltd.](https://appshunter.io/developer/394667310) | [SKALO AB](https://appshunter.io/developer/890914722) |

## What reviewers say

### NavLink US

[App page](https://appshunter.io/ios/app/navlink-us/id804666182)

This marine navigation app transforms your Apple device into a full-featured chart plotter. It displays real-time GPS positions on NOAA charts, overlays AIS data, and allows for waypoint and route planning. Features include augmented reality views and weather buoy data.

**Highlights:** Real-time GPS plotting on NOAA charts, AIS overlay with compatible systems, Waypoint and route planning, Augmented reality HorizonView, Weather buoy data, A-B chart ruler

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weather charts | $7.99 | per year |
| UK Charts | $16.99 | per year |
| US Chart Updates | $19.99 | per year |
| Canadian Charts | $29.99 | per year |


### 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 NavLink US free?

NavLink US costs $30.99, and also offers in-app purchases.

### Is Knotmeter free?

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

### Which has better reviews, NavLink US or Knotmeter?

Knotmeter is rated higher. NavLink US averages 3.0 out of 5 from 2 ratings, while Knotmeter averages 5.0 from 1 ratings.

### Do NavLink US or Knotmeter have ads?

Neither NavLink US nor Knotmeter shows ads.

### Which is updated more often, NavLink US or Knotmeter?

NavLink US ships an update every 6 months, and Knotmeter every 5 months. Most recently, NavLink US was updated on October 3, 2026 and Knotmeter on October 14, 2026.

---

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