Onsite by EventMobi app for iPhone and iPad
"Eventmobi onsite app allows event organizers to check-in attendees during an event by simply scanning a QR code. All check-in related data can be viewed in and exported from Experience Manager.
- Check-in attendees separately for every day of the event.
- Check-in attendees to specific sessions happening during an event.
- Enable attendees to self check-in through Kiosk Mode
- Check-in can either be done through a QR code scan or an email lookup"