Which database is better/more accurate Aerosoft navdata pro or Navigraph airac

I have aivlasoft efb and have most of the pmdg aircraft  and pfpx for planning flights

thanks

Which database is better/more accurate Aerosoft navdata pro or Navigraph airac

I have aivlasoft efb and have most of the pmdg aircraft  and pfpx for planning flights

thanks

 

Both are very good; but Navdata from Aersofot is the better one. Look who it's coming from, Aerosoft- The world's best and power house in flight simulation.

Both are very good; but Navdata from Aersofot is the better one. Look who it's coming from, Aerosoft- The world's best and power house in flight simulation.

 

Can you describe what makes it better?  What logic is used for determining one is better than the other?  Just curious.