If you are using FightLogger in more than one device, your flights will be synced if you have enabled the iCloud sync Setting. Settings won’t be synced. Also, if you have enabled Sync to Calendar, no need to worry about duplicates. We try to make sure we don’t create them twice. If you modify the calendar event, it might think it’s not there and create it. Let us know if that happens.
What will be synced via iCloud?
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