While Macro Express Pro has additional features many of them very useful, when compared to the non-Pro version (Macro Express 3.8), the Pro version suffers from hard-coded non-dynamic fonts, especially in the Command List, Grid, and Categories List. This essentially make the Pro version much more difficult to work with on higher resolution displays because hard-coded/non dynamic fonts remain too small or tiny on many of these higher resolution displays. Pro also lacks the ability to change Grid and Category fonts. In the Pro version, only Script fonts can be changed, while fonts for all three areas can be changed in Macro Express 3.x.
Fortunately, Macro Express 3.x (non-Pro) does not suffer from this built-in limitation. Anyone deciding which version to purchase may want to consider this in their evaluation.