Spanning Tools for Mac analyzes, reports, and fixes dozens of problems with iCal, Address Book, and Apple Sync Services—problems ranging from the obvious, such as duplicated calendar events, to the subtle, such as invalid calendar dates and poorly formatted contact names. Your contacts are the center of your personal social network, and as such are often synchronized among your Mac, your iPhone, and many other apps, services, and devices. Contacts Cleaner finds and fixes the little problems that can creep in while you're not looking. Apple Sync Services is the heart of sync on your Mac. But sometimes it gets confused and needs a gentle nudge. And other times you need to take off and nuke the entire site from orbit. (It's the only way to be sure.) Sync Tune-Up does both, plus a whole lot more.
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