The official version of UPX follows a freemium model. While the basic version is free, it often includes in-app advertisements and limits server speeds or location choices unless you pay for a premium subscription.

To maintain true data security and peace of mind, stick to official downloads from the Google Play Store or switch to proven, open-source privacy alternatives. If you want to choose the right setup, let me know:

Applications like Tor Browser, Brave, or DuckDuckGo Privacy Browser offer robust, built-in tracking protection and anonymity tools directly through official app marketplaces.

Offers excellent ad-blocking and privacy features without needing a proxy for most tasks.