To use ReunionTouch, you need to have Reunion version 11 or 12 installed on your Mac. You will also need Dropbox installed on your Mac, and a Dropbox account. ReunionTouch is a companion product to Reunion 11 or 12 for Mac. ReunionTouch is a single, universal app for Apple's mobile devices. Take your family tree with you! View, navigate, search, and edit your information on the go. You'll always be ready to add people, add pictures, document new information, and make corrections to your data — all while automatically staying in sync with Reunion for Mac. ReunionTouch takes advantage of all iPhone and iPad screen sizes.