All terms
Glossary
QR code checkpoint
A QR code checkpoint is a printed code placed at a location that a phone camera scans. Like an NFC tag, it identifies the spot so a scan shows someone was there.
Last updated 2026-11-10
01 / Explained
Why it matters
QR codes cost almost nothing to print and work on any camera phone, which makes them a common choice for sites that cannot use NFC tags or want a backup.
Because a code can be photographed and shared, a QR checkpoint is stronger when the scan is also tied to a location reading.
02 / In InstaNotified
How InstaNotified handles it
Standard QR codes work as checkpoints alongside NFC tags, and each scan is recorded with GPS coordinates and a timestamp.
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