# RayControl vs WilhelmSK

The clearest difference is price: RayControl at Free against WilhelmSK's $19.99. RayControl also leads on iOS requirement (8.0 vs 13.0). WilhelmSK's advantage is rating (4.5 vs 3.3) and review sentiment (80% vs 42%). On ads and in-app purchases there is nothing between them.

RayControl 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 3.3. Both are backed by a comparable volume of ratings — 7 and 28 respectively. Written reviews point the same way: 42% of RayControl's written reviews are positive against 80% of WilhelmSK's.

RayControl ships an update every 16 months, WilhelmSK every 2 months. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | RayControl | WilhelmSK |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/raycontrol/id523576941/reviews) | **[4.5 (28 ratings)](https://appshunter.io/ios/app/wilhelmsk/id1150499484/reviews)** |
| Number of ratings | 7 | **28** |
| Positive reviews | 41.7% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#90** |
| Size | 23 MB | 118 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Raymarine UK Limited](https://appshunter.io/developer/456592425) | [Scott Bender](https://appshunter.io/developer/1150499483) |

## What reviewers say

### RayControl

[App page](https://appshunter.io/ios/app/raycontrol/id523576941)

View and remotely control your Raymarine e, c, ES, and Axiom Multi-Functional Displays from your iPad. Access electronic charting, sonar, radar, and thermal night vision with touch screen interaction and a virtual keypad.

**Highlights:** Remote viewing of MFDs, Touch screen control, Virtual slide-out keypad, Control charting, sonar, radar, and thermal vision, Wi-Fi connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### WilhelmSK

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

**Currently charting:** #90 Top Paid · Navigation (US App Store)

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 RayControl free?

RayControl 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, RayControl or WilhelmSK?

WilhelmSK is rated higher. RayControl averages 3.3 out of 5 from 7 ratings, while WilhelmSK averages 4.5 from 28 ratings.

### Do RayControl or WilhelmSK have ads?

Neither RayControl nor WilhelmSK shows ads.

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

RayControl ships an update every 16 months, and WilhelmSK every 2 months. Most recently, RayControl was updated on September 30, 2026 and WilhelmSK on October 15, 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.*