Ok, I own AMSim LICJ Palermo airport, so I made some comparison screenshots between Asobo (Gaya) WU version and AMSim payware:
Asobo:
AMSim:
Asobo:
AMSim:
Asobo:
AMSim:
Asobo:
AMSim:
Asobo:
AMSim:
Asobo:
AMSim:
Asobo:
AMSim:
Asobo:
AMSim:
Asobo:
AMSim:
Asobo:
AMSim:
I find the Asobo’s version a bit better than AMSim’s so I keep the default at the moment. It only misses the ships and maybe the night lighting is too bright but the rest looks more detailed to me.