There is always the 11 to consider, which is bigger than the X but not as big as the max. However the trade off with 11 is the lower resolution, non oled display.
Personally I love bigger displays. I had the 6 plus,6S plus and 7 plus. Had the X for a year and hated how small it was. Went back the max last year and now have the max pro. Even before the 6 plus I had a few Samsung galaxy note phones. I would like an even bigger display.
The 11 and the 11 Pro Max are almost the same size, given that the 11 has a bigger bezel. Point being, I wouldn't let physical size be a determining factor between the two (unless you just want the smaller screen for 1-handed use or something).