It is suppose to do both equally,still photos and video.Not one being better than the other,some may not agree.
The Air 3S was suppose to be a minor but STILL an upgrade over the Air 3,but many are not seeing it.
It better have improved technology OVER the Air 3S which has enough owners not exactly happy with the main sensor for still photos.Do not want to hear about video,which DJI now seems to cater to.