It is really easy to use, clean, and offers some great views of your mind-maps. It really is a wonderful tool--unless you actually want to USE what youve created.
It says you can export as a PDF, PNG or CSV file. Even shows the button in the help screen. However, I cant do any of those. In fact, whenever I hit the button to send or create a file the whole program shuts down. My iOS is current, I have 23GB of free memory, and its an iPad Air so its a recent version.
Its possible you cant do those things without purchasing a paid version, but I cant find anywhere to try to purchase. Not so good a sales process if the customer cant find a way to give you money.
So if youre trying to just get your thoughts down and its okay if they live forever only on your iOS device, its awesome. I, however, wanted to do something with the information, so for me its one star.