"PeakEst" forecasts the crowded condition such as shops. App Store Japan/Productivity #27 (Dec 2010). [How to use], 1.Please adjust the balance of the clientele in the shop that forecasts. 2.Choose the genre of the shop. 3.When the completion button is pushed, the graph is displayed for 24 hours. 4.Time zone with a long graph is time zone that congestion is expected. 5.Push the holiday button if the day where it goes to the shop is.