MindPreview is a mind mapping tool.
Quoting wikipedia :
A mind map is a diagram used to represent words, ideas, tasks, or other items linked to and arranged radially around a central key word or idea. It is used to generate, visualize, structure, and classify ideas, and as an aid in study, organization, problem solving, decision making, and writing.
Support Floating Topic.(Lite version allows 5 floating topics)
Support Spotlight Search.
Support Photo attachment.
Support Retina display.
Simple and Quick editing map.
Export as PDF, PNG, XMind, FreeMind, Text format.
Support Drag and Drop.
Support Folding nodes.
Support Copy & Paste nodes.
Support background color.
Support background images.
Flexible Layout (Flexbox) support.
Animated GIF, Audio, Video, WebPage support.
Smart Topic support.
Cloud (grouping) support.
Up to six family members will be able to use this app with Family Sharing enabled.