# WatchMate vs WilhelmSK

The clearest difference is price: WatchMate at Free against WilhelmSK's $19.99. WilhelmSK's advantage is rating (4.5 vs 3.5) and review sentiment (80% vs 44%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

WatchMate is free to download; WilhelmSK costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WilhelmSK holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 11 and 28 respectively. Written reviews point the same way: 44% of WatchMate's written reviews are positive against 80% of WilhelmSK's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 1, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | WatchMate | WilhelmSK |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [3.5 (11 ratings)](https://appshunter.io/ios/app/watchmate/id557485481/reviews) | **[4.5 (28 ratings)](https://appshunter.io/ios/app/wilhelmsk/id1150499484/reviews)** |
| Number of ratings | 11 | **28** |
| Positive reviews | 44.4% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 14 MB | 118 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Garmin New Zealand Ltd](https://appshunter.io/developer/557485484) | [Scott Bender](https://appshunter.io/developer/1150499483) |

## What reviewers say

### WatchMate

[App page](https://appshunter.io/ios/app/watchmate/id557485481)

This app provides remote control and situational awareness for your Vesper Marine AIS Transponder. View AIS targets, manage alarms, and control transponder settings directly from your mobile device.

**Highlights:** View AIS targets, Manage collision prevention alarms, Control Anchor Watch alarm, View GPS position, course, and speed, Remote control transponder settings, Configure vessel AIS static data, Perform firmware upgrades

**In-app purchases:** none


### WilhelmSK

[App page](https://appshunter.io/ios/app/wilhelmsk/id1150499484)

This app provides a customizable dashboard for monitoring and controlling boat systems. It integrates with various marine electronics and offers features like alarm notifications, autopilot control, and chart display.

**Highlights:** Customizable display and monitoring dashboard, Integrates with Signal K Server and various marine devices, Autopilot control and monitoring, Active Captain Points of Interest display, Alarms and push notifications, Navionics chart display, Customizable gauges and layouts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WatchMate free?

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

### Is WilhelmSK free?

WilhelmSK costs $19.99, with no in-app purchases.

### Which has better reviews, WatchMate or WilhelmSK?

WilhelmSK is rated higher. WatchMate averages 3.5 out of 5 from 11 ratings, while WilhelmSK averages 4.5 from 28 ratings.

### Do WatchMate or WilhelmSK have ads?

Neither WatchMate nor WilhelmSK shows ads.

### Which is updated more often, WatchMate or WilhelmSK?

WatchMate ships an update every 2 months, and WilhelmSK every 2 months. Most recently, WatchMate was updated on June 1, 2026 and WilhelmSK on September 11, 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.*