so i have the iphone 4g
i have had bothe cases
if you want a case to ski with so its waterproofd deff lifeproof, ive showered with it and its fine, but its not protective at alkl, the other dya in a sauna it fell about 3.5 feet and completley shattered.
the otter box obvi isnr waterproof but its so much tougher, but a little fatter, but ive threw my phone with otther box like 100 feet and its fine
hope thaty helps