SimpleMind Desktop is a great Mind Mapper with focus on simplicity and ease of use. It allows Viewing and Editing Mind Maps created with SimpleMind for iOS (iPhone/iPad) and SimpleMind for Android - and vice versa. Free trial.
Here's a great tutorial on how to use SimpleMind on iPad http://www.youtube.com/watch?v=uquUn8Jva6Q&amp;amp;amp;amp;amp;feature=related
Free edition for Android http://www.scoop.it/t/digital-presentations-in-education/p/3426256638/simplemind-free-mind-mapping