WaveSpeed

GPS Speedometer for Boaters

Only for iPhone

$0.99 · Designed for iPhone. Not verified for macOS.

iPhone

Live GPS speed, performance timing, lake conditions, and private on-device ride history for boats and personal watercraft. WaveSpeed turns your iPhone into a clear, high-visibility GPS speedometer for boats and personal watercraft. LIVE SPEED • Current GPS speed with accuracy status • Persistent high-speed record • Imperial and metric units PERFORMANCE • 0–60 MPH or 0–100 km/h timing • ⅛-mile / 200-meter runs • ¼-mile / 400-meter runs • Elapsed time and trap speed RIDE CONDITIONS • Automatic lake and city identification • Live temperature, humidity, and surface pressure • Elevation and local date/time RIDE HISTORY • Save completed rides on your device • Review peak speed, conditions, coordinates, timestamps, and map • No account, ads, analytics, or cloud database WaveSpeed uses Core Location for GPS speed and Apple Maps for place information. Weather and elevation data are provided by Open-Meteo. Use performance testing only on open water with a clear course. Never operate app controls while underway.

Ratings & Reviews

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The developer, Stephen Grappone, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Stephen Grappone
    Size
    • 2 MB
    Category
    • Navigation
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    Location
    • This app may use your location even when it isn’t open, which can decrease device battery life.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Stephen Grappone
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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