WX Course vs SailSpeed
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WX Course
This app provides GPS and compass data on your Apple Watch, displaying course, speed, latitude, longitude, and GPS accuracy. It also features a secondary screen with a real compass synchronized with course data.
- GPS data from iPhone
- Course (COG)
- Speed (SOG)
- Latitude and longitude
- GPS signal accuracy
- Real compass display
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WX Course is the most perfect and efficient app to have your data GPS and compass on your Apple Watch. WX Course send the next GPS data from your iPhone: - Course (COG) - Speed (SOG) - Latitud and longitude - Accuracy of GPS signal Include a second screen with a real compass with COG data for S0, S1, S2 and S4. NOTE: Continued use of GPS running in the background can dramatically decrease battery life.
SailSpeed
Track your sailing speed, heading, and wind data with an outdoor-optimized display. Features a customizable race start timer and route mapping. Analyze your performance post-race.
- Speed and heading tracking
- Customizable race start timer
- Wind direction display (subscription)
- Route mapping overlay
- Outdoor-optimized display
- Bluetooth sensor connection (subscription)
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App for tracking sailing speed and direction, but also the wind. It has a display optimized for outdoor use. When you participate in a sailing race you can use the start timer. The timer can be adjusted to the wishes and needs of the user. It shows speed and heading and keeps track of race. If tracking is started it monitors the average speed, maximum speed, elapsed time and the distance covered. Wind direction is shown in a wind rose (subscripton required). App can make direct connection with a OpenWind BlueTooth sensor (subscripton required). In that case AWA, AWS, TWA and TWS is displayed in the app. It also has the ability to show a map and tracks the route in an overlay when map is selected and race is started. In setup menu landscape can be selected, the display will rotates accordingly, rearranging the speed or map and the heading for optimal visibility during the sail race. In the settings menu the user can select the units, and the scale of the map during the race tracking. Simply place your phone a a water tight casing on board of your boat, setup your settings and press start. The app will automatically keep tracking your progress, showing current speed and heading. Enjoy your sailing, optimize your speed during the race and analyze your data afterwards.
Screenshots
Verdict
The clearest difference is price: SailSpeed at Free against WX Course's $2.99. SailSpeed also leads on review sentiment (100% vs 75%). WX Course's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 2). On ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
SailSpeed is free to download; WX Course costs $2.99 up front. SailSpeed sells 2 one-off in-app purchases. WX Course asks for nothing beyond the download.
WX Course holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews complicate that: 75% of WX Course's written reviews are positive against 100% of SailSpeed's, so the app with the better star average is not the one people write more warmly about.
WX Course ships an update every 3 months, SailSpeed every 14 months. The most recent releases landed on October 5, 2026 and September 25, 2026 respectively.
| Parameter | WX Course | SailSpeed |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | 3.8 (4 ratings) |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 3 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 11.2 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Alejandro | i-Xp B.V. |
Customer experience
WX Course
SailSpeed
In-app purchases
WX Course
No in-app purchases
SailSpeed
- Plus yearly subscription$4.99
- BLE yearly subscription$24.99









