Please try following steps,1. Tap trial label at top right of the calendar
2. The window of upgrading will show
3. Tap 'For customers who have previously completed a purchase, see here.'
* You need to use the same AppleID as you used in the past.
You can restore it for free !
Please try following steps,1. Tap 'Shop' tab
2. Scroll the iconset and calendar list to the bottom
3. Tap 'Reintegrating purchased item'
* You need to use the same AppleID as you used in the past.
* You can't restore the reward icon of Facebool and Twitter.
When you tap the Image item on the shift pattern edit screen, a list of icons will be displayed.
This application has no data backup and restore function.However, you can back up and restore application data by using iCloud or iTunes.For details, please see the following site.