The Pro plan requires an internet connection for license activation and is subscription-based. If you cancel your subscription, you will no longer have access to SmartScanner.In contrast, the Perpetual plan can be activated completely offline and remains active indefinitely. This plan includes one year of support and updates, with the option to purchase extensions for continued support and updates beyond the initial year.The Pro plan is ideal for small to medium-sized businesses, while the Perpetual plan is better suited for organizations with high security needs.