Don’t trust
This app not working don’t buy it
tailendcharlie
Absolute must for race day. Gives accurate velocity in a flash
Great
Everyone associated with racing pigeons should test this app out, it's so simple. If there is a fault it's the size of the print, very small, just a point that can be improved on, but still awesome.
Vel/calculator
Brilliant little app.so simple and very accurate.
