Why you want it: Whether it’s a getaway to your folks’ house or an exotic excursion, we’ve all forgotten to pack a crucial item for an upcoming trip. Thanks to Packing (+To Do!), we may never make this misstep again. The app lets you create packing lists from a detailed sample checklist or from scratch. Plus, it deters you from over-packing (and possibly incurring a luggage fee) by including an estimated weight of your packed belongings. Genius.
Download it now: $.99 at iTunes.com for the iPhone, iPad and iPod Touch