Review of 950 XL in Norwegian tech-magazin tek.no gives the phone 9 out of 10 points, and selects it as recommended. They don't focus on the "app-gap" but on the actual tech in the phone. And they're blown away with the camera and Windows 10 Good PR for the Lumia's in the iPhone-country of Norway.
TEST: Microsoft Lumia 950 XL - Konklusjon og alternativer - Tek.no
TEST: Microsoft Lumia 950 XL - Konklusjon og alternativer - Tek.no