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
A permanent destination that will not need scan history or business records.
Upgrade when
The printed code needs editable content, ownership and operational history.
Operational value
Use a stable operational QR for checkpoints, documents, records and issue follow-up.