Because the portable version does not interact with system services or drivers, it is inherently less likely to trigger false-positive antivirus alerts. Furthermore, it cannot collect telemetry from deep system files since it runs with user-level permissions only.
The Pro version is often a one-time purchase that supports developers and provides a more robust feature set than the free version, such as removing advertisements and enabling "High Performance Mode" for smoother animations. Advanced users also benefit from deeper integration with system APIs and the ability to set widgets as "hotspots" to launch other applications instantly. XWidget- Free widgets for Windows
