In a small pot over medium-high heat, combine cranberries, water, sugar, and apple juice. Bring to a boil. Reduce to a simmer and cook until berries begin popping, 12 to 15 minutes. Remove from heat and stir in mustard. Using an immersion blender, blend until smooth. Refrigerate the Cranberry Dipping Sauce until ready to use.
In a large bowl, combine turkey, orange zest, sage, garlic powder, salt, and pepper to taste; mix well. Form meat into 1-inch round balls. Heat a large skillet over medium-high heat; add and heat olive oil. Working in batches, cook meatballs until brown on all sides and cooked through, about 12 to 16 minutes. Serve with Cranberry Dipping Sauce.