If you are stepping over from the free version, make a Backup in the free version and Restore it in this Pro version.
Then you can remove the free version and switch on Google Calendar Sync.
FlexR gives you the opportunity to make shifts and linking it to one or several days.
The app is meant for people in varying (flexible) shifts without fixed working hours. They can see at a glance when they have to work.
Target period hours setting for each month/period (Salary settings & calendar header)
Extended search screen (time of shift, worked hours, inverse text search)
Floating (+) button to add shift(s)
Multiple sharing options, e.g. with Mail or Whatsapp !!!
Build for Android 9 (Pie)
Sharing backup file over Whatsapp
Small Cloud-Sync improvements and Drive V3 API implementation