Last Call is a new iPhone app that determines how drunk you are by your weight and how many drinks you’ve consumed. It calculates your sobriety by the specific type of alcoholic beverage you’ve consumed, and it even gives you options on what to do now that you are inebriated. The app will even call a taxi for you if it determines you’ve had a few too many. And unlike a DUI, it’s absolutely free. The app is available now at the iPhone app store.