toketaWare
iThoughts2go (mindmap)
FreeWith iThoughts2go you can take your mindmaps with you - for reference 'on the go'.
iOSiThoughtsX
PaidMind mapping app, fully compatible with companion apps for iPad and iPhone.
MaciThoughts (mindmap)
PaidiThoughts is a mindmapping tool for the iPad, iPhone and iPod touch (Mac and Windows version also available.).
iOS