SailViewer Timer vs Yet Another Sailing App Uso & Estadísticas

Yet Another Sailing App is a sailing race start timer. - It vibrates and beeps every 30 sec., and for last 10 seconds on each one. - It also shows a current boat speed in knots. - You can use a digital crown to adjust countdown if you missed a gun. - You can also setup a countdown on anything from 1 to 10 minutes.