If you want the image of a really good quality, then keep the iPhone tight. Well, unless you want to show us the world moving around you. If not, maybe it’s better to stop your car or slow your pace and concentrate on snapping a great photo? A fancy street photo is usually a non-blur photo unless it’s really needed to emphasize the idea. If you check out Instagram feeds, you’ll see that sometimes many originally intended to be awesome shots get constantly ruined. Moreover, anytime you can add blurry effects if you suddenly consider them needed - with the help of the large amount of blurry effects in FX Photo Studio app.