Charts, graphs, and pies: here are the best chart-making apps for iPhone and Android

Nowadays, charts and graphs are used quite often — for a homework assignment, for a study, for any sort of data presentation, you want to have a nice visual representation of whatever it is you are working on. And, being the awesome supercomputers that they are, our smartphones have a bunch of apps that can help out with making a pretty chart with little effort!

While the feature comes built-in with some devices, like Samsung's Galaxy Note phablets, you usually need to download a separate app to make graphs and charts straight on your phone. Here, we will take a look at some of the best ...