Cardio Calipers
On-screen electrocardiogram measurement.
On-screen electrocardiogram measurement.
Accurately measure anything on your screen.
Measure circular or polygonal areas on-screen.
Accurately measure any angle on your screen.
Overlay a transparent digital tracing sheet.
Advanced Screen Utilities Pack
Accurately measure anything on your screen.
Distance, angles and parallel lines
Measure dimensions of any objects on Mac.
A semitransparent on-screen ruler