VacationSync is a FREE app that only works with the Mac OS X App VacationPlanner to sync your vacation data to your iPhone or iPad.
VacationSync includes:
Sync with iCloud between Mac and iPhone.
Vacation information including photo and countdown timer.
Room Information.
Calendar Events with icons.
Packing List with ability to check off items.
Itinerary.
Budget.
Ticket Information.
Dining Information.
Transportation Information.
Web Gateway with the ability to view bookmarked webpages.
Location information with the ability to view dropped pins on maps.
This is the most complete Vacation Planning App!