kpolleck/kCalendarCopy
An iOS app to update calendars on your iOS device simply by touching the dates to add (or toggle on/off=add/remove) a specific event (description/start/end) on that day. Then, you can sync those events to another calendar on your iOS device. This works wth any calendar on your iPhone--the iCloud cals, Google cals, Outlook cals, etc.
SwiftGPL-3.0