In a medium bowl, combine the chopped cranberries, apple, red bell pepper, red onion, cilantro, and pickled jalapeños.
Add the sugar and apple juice, then stir thoroughly until all are well-mixed and the sugar begins to dissolve.
Cover the bowl tightly and refrigerate overnight, or for at least 8 hours, to allow the flavors to meld together.
Serve chilled with your favorite tortilla chips. The salsa will keep in an airtight container in the refrigerator for up to 2 weeks.
Don't skip the overnight refrigeration! This step is crucial for the cranberries to soften and for all the sweet, tart, and spicy flavors to fully develop and marry.