Nav Tools vs SailSpeed
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nav Tools
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A compass combining the accuracy of a numerical display with the easy to read ball. Works with any device orientation making it suitable in both calm and rough see. Point to a target and you get assisted steering. Both magnetic and true north are supported. A GPS-based speedometer with customizable range.
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 Nav Tools's $0.99. SailSpeed also leads on update cadence (every 14 months vs every 32 months). Nav Tools's advantage is in-app purchases (none vs 2) and iOS requirement (15.6 vs 17.0). On 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; Nav Tools costs $0.99 up front. SailSpeed sells 2 one-off in-app purchases. Nav Tools asks for nothing beyond the download.
Nav Tools ships an update every 32 months, SailSpeed every 14 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.
| Parameter | Nav Tools | SailSpeed |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 3.8 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 32 months | Every 14 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Jean-Christoph KAISER | i-Xp B.V. |
In-app purchases
Nav Tools
No in-app purchases
SailSpeed
- Plus yearly subscription$4.99
- BLE yearly subscription$24.99








