i dont think so. apple doesnt let any 3rd party app run in the background. thats why no clock app on the ipad can out do the apple clock app on the iphone/itouch
Wirelessly posted (iPhone 4S: Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)