Rhumb Instruments
A full-screen COG and SOG instrument face for the helm, with average speed over 1 minute, 10 minutes, and 1 hour. In knots and °T, from GPS.
Big digits you can read at the helm
Course over ground (COG) and speed over ground (SOG) fill the screen, sized for a glance from the wheel in bright light.
Average SOG
Three trailing averages: 1 minute, 10 minutes, and 1 hour, computed on the device from GPS. Start a session when you want them and stop it when you are done, so the app uses GPS in the background only while it is averaging. Useful for passage timing and for judging how a leg is really going.
The screen stays awake
While the app is open the screen does not sleep, so the numbers are there when you look up.
Free to download. Instruments Premium is one payment, with no subscription.
Coming soon to the App Store and Google Play.
Your position stays on your device. Read the privacy policy.
Looking for the chart? See Rhumb, the sea chart app this instrument face comes from.