1 BACtrack Mobile Pro Breathalyzer – $79
Though many of us like to enjoy a drink (or a few), it’s always important to make smart choices when imbibing. This portable breathalyzer lets you do just that. It easily connects to your iPhone, so you can get accurate blood alcohol content (BAC) results on the go. You can track your alcohol consumption and share your results via text or social media, and the device can even estimate when your BAC will return to 0.00 percent — letting you plan smart choices in advance. Get it here for $79.