Internet connection is not required for normal operation. Internet connection is required for a short time after Poweramp purchase. Poweramp (main app): - uses optional Internet connection for Album art downloading and Support. - for Website purchase, license is checked via Internet once after Unlocker installation and Poweramp next start, and if the check is successful, then it's never checked again, unless Poweramp is reinstalled, Poweramp data is cleared, system is reset, or ROM is u