One product, one price, everything included. No tiers to compare, no seats to count, no renewal ambush: the version you buy is yours forever.
Pay $499 once via Polar, our payment provider (merchant of record — taxes handled by Polar). No subscription is created; there is nothing to cancel later.
Install the free trial, open Dashboard → Licence, and email the shown device code (e.g. LP-XXXX-XXXX-XXXX) to support@dupproof.com with your order confirmation.
We reply with your signed licence key. Paste it into Dashboard → Licence → Activate. Done — offline, permanent, no account.
Why the manual step? DupProof licences are bound to your machine and verified offline — there is no activation server by design, so keys are issued per device. Re-issues for a new computer or OS reinstall are handled by support the same way.
One recovered duplicate typically pays for the licence many times over — the median duplicate/erroneous payment rate is ~1.5% of disbursements (APQC benchmarking). If the trial finds nothing, you have bought certainty cheaply; if it finds one $3,100 duplicate (the size of our sample finding), the licence has paid for itself six times.