I've used RAM phone mounts for iPhones and Android phones for over 10 years. This includes primarily commuting but also includes numerous road trips between NorCal & SoCal as well as a cross country trip from California to South Carolina and back. I've never had issues with any of my phones mounted this way.
Granted, I'm not a power user and am satisfied with the pictures all of my phones take. I don't buy my phones for picture quality so if there is damage, I'm sure I wouldn't notice it. In all cases, I use my phones as a GPS and music repo. Again, no issues with those uses.