The list of flavors at Yogurtini includes information on fat and calories. I think this makes it pretty clear who the target audience is: folks who care about nutrition (or more specifically low-cal/low fat) as a top priority.

The flavors at the time of the photo were:

• "The House" Plain Tart
• Signature Blueberry Tartini
• Classic Vanilla
• Ultimate Chocolate
• Ruby Red Grapefruit Tartini
• Blueberry Muffin
• Red Velvet
• Dulce de Leche
• Birthday Cake Batter
• Peanut Butter
• Pineapple
• Island Coconut
• Strawberra Banana NSA (no sugar added)
• Mango Sorbet (i.e. no milk)