Use a free QR now. Use an operational QR when work repeats.
Operational QR keeps the printed code stable while the checklist, owner, record and follow-up evolve behind it.
Best free-tool use
Sharing one controlled document through a durable printed QR.
Upgrade when
The document belongs to equipment, a facility or a recurring work process.
Operational value
Connect controlled documents to asset context, checks, issues and audit-ready history.