IndieTix

Pair this phone

Ask the organizer for the code and PIN shown on their dashboard.

Code

PIN

Your name (optional)

Point at a ticket

Guest list

Your name

So the organizer can tell the phones at the door apart.

Add to your home screen

Tap Share in your browser
Choose Add to Home Screen
Open the scanner from its icon, then pair

Pairing inside the app is what keeps you signed in.