Clean UI by Glenn Hitchcock: http://dribbble.com/glenn
Yahoo's Weather app for iOS is far superior to the Yahoo-powered stock Apple weather app and better than The Weather Channel's (e.g. no ads). It's beautiful, using crowdsourced Flickr photos based on the location.
interesting way to make one thing stand out. and interesting placement of small icon in corner attracts eye
Banking iphone app by Anthony Aubertin, via Behance