Spoof CallerID and Voice changer cydia tweak allows you to change voice during call and caller ID.
The best app for changing your caller id (spoofing) when calling. The app also allows you to change your voice during the call and to inject sound effects to the call.
Spoof caller id is the ultimate app for prank calls and fooling your friends.
Unlike other apps this app will display a call panel during the call that will allow you to change the pitch of your voice and Inject sound effects to the live call.
When you place a call the app will try to find an access number that will work for your carrier.
THE APP WILL USE AN INTERNATIONAL OR PREMIUM RATE NUMBER.
THE CALL RATE VARY DEPENDING ON YOUR CARRIERS CHARGES.