The books are about to close on the year that was 2013. In the past 12 months, we've seen a huge amount of new apps released for smartphones and tablets—a lot of them were hits, many slowly got a following that could help lead them into 2014, and many of them flopped. Hey, it's hard out here for an app. So, Complex has gone through the vast oceans of free and paid apps, and have picked out the highlights of the year. From apps that focus on productivity, photography, social media, and entertainment, it's difficult to create something that people will use regularly on their devices, and not something that ends up deleted after a few days, or hidden in a folder. These companies have achieved just that. Here are The Top 10 Apps of 2013.