What follows is a long list of the key features within iThoughts (iOS, macOS and Windows) - not a classic marketing approach, I grant you - but it does tell you what they do...

cs = Coming Soon

iOS macOS Windows
Functionality
4x Layouts (Horizontal, Vertical etc)
3x Auto Layout (Full, Partial, None)
4x Map Styles (full color, wireframe etc)
6x Link Styles (Linked, Straight, Curved etc)
30x Canvas Options
90x Stock Images
100 Stock Icons
7x Topic Shapes (Rectangle, Oval etc)
Rich Text Formatting (Markdown)
Task Attributes (Start, Due, Progress etc)
Boundaries (Grouping topics on a branch)
Relationships (Linking related topics)
Topic Sorting (Auto, Once, Random etc)
Topic Numbering
Callouts
Topic Notes
Topic Hyperlinks
Presentation Mode
Doodle
Research (lookup text)
Quick Filter
Advanced Filter (Rules)
Search
Printing
Focus Mode
Zoom
Auto Zoom
iCloud Drive Syncing
Dropbox Syncing
Languages 11111
Import Formats
Freemind/Freeplane (.mm)
Mindmanager (.mmap v6 and later)
ConceptDraw (.cdmz)
Mindview (.mvd and .mvdx)
Novamind v5 (.nm5)
XMind (.xmind)
iMindmap v5+ (.imx)
MyThoughts (.mytx)
Mindnode (.mindnode)
Mindmapper (.twdx)
OPML (.opml)
Rich Text (.rtf) cs
Plain Text (.txt)
Markdown (.md or .markdown)
CSV cs
Scapple (.scap)
CMAP (.cxl)
MindGenius6 (.mgmx)
Export Formats
Freemind/Freeplane (.mm)
Mindmanager (.mmap v6 and later)
ConceptDraw (.cdmz)
Mindview (.mvd and .mvdx)
Novamind v5 (.nm5)
XMind (.xmind)
iMindmap v5+ (.imx)
OPML (.opml)
Rich Text (.rtf) cs
Plain Text (.txt) cs
Markdown (.markdown)
Textpack (.textpack)
CSV cs
MS Word (.docx)
MS PowerPoint (.pptx)
MS Project (.xml)
PDF
Website cs
Image (.png)
Flashcard (Cram.com/Quizlet.com)