iPhone 6s Camera Review: Switzerland
austinmann.com/trek/iphone-6s-camera-review-switzerland
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Optical Image Stabilization (OIS) for video is hands down the most significant improvement in the iPhone 6s Plus camera upgrade. The 6 Plus has OIS for stills (mainly helpful with low-light photos),