To unlock the full features of PingPlotter Standard or Pro (such as monitoring multiple targets, using alerts, and keeping longer data histories), you must purchase a unique license key from the developer, Pingman Tools. These keys are validated online.

Investing in a genuine license supports continued development and keeps your system secure. If you're a student, hobbyist, or on a tight budget, reach out to Pingman Tools – they sometimes offer discounts for educational or non‑commercial use.

These are often promoted on dubious websites. Here is why you should never use them: