P circle app for iPhone and iPad
You can find sightings monsters with only three steps.
1.Please walk until hiding monster of purpse. And When the monster is hided, please press number of two.
2.Please return point of 1. When you return, Please walk to another distance until hidding monster from sightings in your Pokemon App And press button of three.
3.The monster should be crossing blue and yellow circle in circle of red.