APP for Iphone - punch clock

Looking for developer who specializes in making custom APPS for Iphone and Android. Andoid can be done as a separate job, for now only IPHONE. App will be punch in clock application that will track worker's time and gps location. It will record punches and locations in database on the backend (php and mysql) and will allow administrator pull up this information through web browser. App will also allow workers see the hours they worked (pull from database), punch in when they travel and take breaks and also report what was done every day. All details will be provided after choosing a winner bid. When bidding send links to IPHONE APPS you developed, if samples not provided, bid will not be loocked at.