With the ever-increasing capabilities of mobile apps and devices, users can now have a nearly limitless canvas to scratch out and rearrange ideas.
MagicalPad
MagicalPad is a digital notebook that allows you to visualize and organize your ideas, notes, mind maps, outlines, checklists, etc. It offers full-featured note-taking and authoring tools, advanced mind-mapping tools, and visual task management. You can track and manage your tasks.
Requires: iOS 7.0 or later
Compatibility: iPhone, iPad and iPod touch
Cost: $2.99