Boat Speed: GPS Knots Mph Kph

Contains adsIn-app purchases
97 reviews
Content rating
Everyone
10K+
Downloads
Content rating
Everyone
Learn more
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About this app

Boat Speed is a clean, easy-to-read GPS speedometer designed specifically for boaters, sailors, and water sports enthusiasts.

🚤 REAL-TIME GPS SPEED
• Large, high-visibility speed display that's easy to read in any conditions
• Accurate GPS-based speed updates multiple times per second
• Speed smoothing algorithm for stable, reliable readings

📐 MULTIPLE SPEED UNITS
• Knots (nautical miles per hour) - perfect for sailors
• MPH (miles per hour) - for US boaters
• KPH (kilometers per hour) - metric option
• Tap to instantly switch between units

🧭 COMPASS HEADING (Premium)
• Beautiful animated compass showing your direction of travel
• Smooth rotation as your heading changes
• Cardinal directions (N, NE, E, SE, S, SW, W, NW) plus exact degrees

🎨 CUSTOMIZATION (Premium)
• Choose from 5 accent colors to personalize your display
• Adjustable font sizes - Normal, Large, or Extra Large
• Perfect for different lighting conditions and preferences

☀️ DAY & NIGHT THEMES
• Automatic theme switching based on your device settings
• Manual toggle between light and dark modes
• Optimized colors for visibility in bright sunlight or nighttime use

📱 PICTURE-IN-PICTURE MODE
• Floating mini speedometer while using other apps
• Check your speed while viewing maps or charts
• Android Picture-in-Picture support

⚡ DESIGNED FOR MARINE USE
• Clean, distraction-free interface
• Large numbers visible from a distance
• Works offline - no internet connection required
• Minimal battery usage with efficient GPS polling

💎 PREMIUM FEATURES
Subscribe to unlock:
• Custom color themes
• Adjustable font sizes
• Animated compass display
• Ad-free experience

Perfect for:
• Sailing and yachting
• Powerboating and fishing
• Jet skis and personal watercraft
• Kayaking and paddleboarding
• Any water activity where speed matters

Boat Speed uses your device's GPS to calculate speed based on location changes. For best accuracy, ensure clear sky visibility and allow a few seconds for GPS lock.

Download Boat Speed today and always know how fast you're moving on the water!
GPS speedometer for boats - real-time speed in knots, mph, kph with compass
Updated on
Sep 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, Financial info and 3 others
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

97 reviews

What’s new

Fixes the speed reading wrapping onto two lines at the largest text size on big screens, and tidies the Premium dialog copy.