If something is wrong we let you know immediately. We keep a full history of the things you need to know about the target Mac. And we keep it on the web, far away from disc corruption that may have caused it to come to your attention in the first place.
inXout monitor is sold as a subscription, see this page for pricing details. The subscription includes full access to the monitor servers and all notifications. It also includes any an all software updates as they become available. Pricing varies by the length of time that telemetry data is stored.