TANSTAAFL!
Good chinese engineering seems enough: http://androidadvices.com/top-5-thinnest-designed-android-sm...
iPhone 7 is 7.1mm thick while the 7 Plus is 7.3mm thick.
And yes, aaaaaall of those have headphone jacks.
Apple is taking you people for fools.
http://www.gsmarena.com/results.php3?nThicknessMax=6&chk35mm...