SGNC-TAP
Phone-to-phone digital name card sharing
Demo cards
1
Bump to share
no code, no camera
Open this on both phones and knock them together. Each phone feels the same knock, and the server pairs the two.
Bump to send Bump to receive
Other ways
QR on screen, a typed pairing code, or the OS share sheet.
Share a card Scan or type a code
Bump needs HTTPS — the motion sensor is blocked on plain
http://. Over HTTP the QR and the pairing code still
work, so use those for a quick local test.