So I'm finally thinking of upgrading from my 6S Plus and am wondering which one of the Xs lines to go with. I've done a comparison between the XS and XR, and one aspect I'm a bit concerned about is the dual vs single camera. I do have some usible vision, and it would be nice to have a nice big screen, but I have an Ipad Pro in the case of needing a great screen. The cameras though ... I like many of you like to use magnification apps and OCR recognition. Has anyone noticed a big improvement in this department between the two phones? Does the duel camera really make much difference? Also, one thing I haven't figured out is do both models allow for recording in stereo? That would be really nice also. Then there is the X Max. I think that one might be overkill, but what are your thoughts?