Is there an iPhone app to call back blocked phone calls?

TrapCall is a free app you can download from the App Store for your iPhone that will unmask blocked and private calls. To use the app you must sign up for TrapCall’s monthly pay-as-you go service. Prices range from $4.95 a month to $24.95 a month. After following the set up process wait for a call that needs to be unmasked, tap your iPhone's power button twice and wait for your phone to ring again. The number will be then be revealed.
Updated on Wednesday, February 01 2012 at 11:34PM EST
Collection: iphone