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Real-time speed
GPS-based speed over ground with large, readable digits, maximum and average speed, and clear reception status.
Marine Speedometer by GPS
SeaVelocity
Measure current speed over ground, track trip distance and time, display course, and use a configurable 60-minute graph. Live Activity can show current speed directly on the Lock Screen and Dynamic Island.
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Trip and course
Start and stop a trip, track active time and distance, and show course over ground when you need it.
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Flexible history
Show the 60-minute graph on the main screen or open it on a dedicated page from the graph button in the toolbar.
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Cockpit mode
Use a clean full-screen display in portrait or landscape with day, night or high-contrast themes.
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Stable readings and alarm
Choose direct, balanced or stable GPS smoothing and enable an optional speed alarm with sound and haptics.
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Live Activity
Show only current speed and the selected unit on the Lock Screen and Dynamic Island. Enable or disable it under Settings.
Configure the main screen
Settings lets you choose whether course, the history graph and the unit panel appear on the main screen. When the graph is hidden, a toolbar button opens the dedicated history page.
Private by default
SeaVelocity requires no account, contains no ads and uses no analytics or tracking. Location, course, trip and speed data are not sent to a server.
Safety information
SeaVelocity is an informational aid and is not a certified navigation instrument. Do not use it for emergencies, collision avoidance or autonomous control.