Public Relations & Social Marketing Insight

It was recently announced that Instagram has doubled its monthly active user base since 2014, which means a lot more people are viewing and sharing photos. Plus, visual content is 40X more likely to get shared on social media than other types. In other words, people like to be shown, not told -- and in turn, they share.

For that reason, it's important for marketers to know how to create compelling visuals for their business' social networks and blogs. And while it can be worth putting the investment of time and money into photo editing software on your computer, many of us are exclusively using our phones to take pictures and could stand to edit them without uploading them to a desktop.

That's especially true when you're posting in real time, like at an event. Luckily, there are tons of great photo and video editing apps out there for mobile devices -- some of them even cost a few bucks. But which are the best, free or paid? Check out our shortlist below....