SimpleMind Touch is a Mind Mapping tool that turns your iPhone or iPod touch into a brainstorming, idea collection and thought structuring device.
SimpleMind Touch comes in three editions:

• Express editon - FREE - with a full featured Mind Map editor and the option to save Mind Maps to the camera roll and to open Mind Maps created with the paid editon via web or email links. Will work in compatibility mode on the iPad.
• Paid editon - just $ 6.99 - with the same features as the Express edition and additionally support to Save Mind Maps to the Web and email links to Mind Maps to other SimpleMind Touch users.
• Native iPad editon - just $ 6.99 - natively designed for iPad with some powerful new features. Available in AppStore now

SimpleMind Touch - Mind Mapping on the iPhone and iPod Touch

Main SimpleMind Touch features

• Easy to use - drag, arrange end edit topics on the Mind Map page.
• Apply visual styles - change colors, borders and lines for maximum presentation impact.
• Undo/Redo in the editor - the only Mind Mapper with full Undo capabilities, making editing and experimenting easy.
• Reorganize Mind Map structure - use drag and drop to restructure Mind Maps aided by topic auto-layout.
• Cut/Copy/Paste - move or duplicate topics between Mind Maps.
• Large Mind Map page support - diagram size is only limited by memory. Scroll, zoom and rotate page.
• Re-order Mind Maps in the Mind Map list.
• Exchange your Mind Maps with SimpleMind desktop.
• Upload your Mind Maps to a (configurable) web-server and share Mind Maps with other SimpleMind Touch users through your Mind Map index on the SimpleMind web-server. (**)
• Download Mind Maps - open, view and edit SimpleMind Mind Maps from other SimpleMind Touch users.
• Share Mind Maps as jpeg image via the iPhone Camera Roll.
• Share Mind Map images via email as png (paste in word processor documents) and/or pdf documents (scalable and best for printing) (**)
• Export as OPML - a format supported by most desktop mind map tools (**)
• Export as Freemind - a free and widely used desktop mind mapping tool (**)
• Note: SimpleMind Touch (Payed and Express) cannot import opml or freemind files. However, SimpleMind Desktop supports importing and exporting opml and Freemind. The imported opml / freemind files can then be shared with SimpleMind Touch

(**) : paid edition only