All the differences between the free and paid version are explained in the application user guide.
This is the most significant upgrade to date. Please check my web site or read the application user guide for all the changes. For any issue, send me an email or post in the application forum. I count on your understanding and help to make the application better.

Please report any bug through the app menu: HELP > BUG REPORT
What's new: https://prxtx.yo3ggx.ro/4/prxtx4.htm
Video guide (under preview): https://prxtx.yo3ggx.ro/4/videos/
Application forum: https://forum.yo3ggx.ro/viewforum.php?f=22
Online User Guide (Multilingual): https://prxtx.yo3ggx.ro/4/pdf/prxtx4_dark.pdf
Offline User Guide (English only, dark theme): https://prxtx.yo3ggx.ro/4/pdf/prxtx4_dark.pdf
Offline User Guide (English only, light theme): https://prxtx.yo3ggx.ro/4/pdf/prxtx4_light.pdf
Pro vs Lite version: https://forum.yo3ggx.ro/viewforum.php?f=22