An impromptu piece of mentalism with an ordinary iPhone.
Effect: At any time that you like, ask a spectator to name a 3 digit number and then prove that you predicted her selection days earlier in a time-stamped audio-recording.
In addition to 3 digit numbers, you can pretty much predict anything you like. Including
*names of people you’ve only just met
The Premonition is an effect that’s limited only by your imagination, dedication and confidence! Everything else you need to perform this anytime, anywhere miracle is provided by the app. Note that this effect does not make use of any of the following:
Apps to install on spectator’s phone