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 ✔✔✔
13x 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) ✔✔✔
Advanced Filtering ✔✔✔
Search/Replace ✔✔✔
Printing ✔✔✔
Focus Mode ✔✔✔
Zoom ✔✔✔
Auto Zoom ✔✔✔
Cloud Syncing (iCloud, OneDrive, Dropbox etc ✔✔✔
Encrypted, Password Protected Maps ✔✔✔
Outline View ✔✔✔
Custom Background Canvases ✔✔✔
Auto Balanced Maps ✔✔✔
Hand Drawn Effect ✔✔✔
Topic Summaries ✔✔✔
Conditional Formatting ✔✔✔
LaTeX Support ✔✔✔
Languages 11x11x11x
Import Formats
Freemind/Freeplane (.mm) ✔✔✔
Mindmanager (.mmap v6 and later) ✔✔✔
ConceptDraw (.cdmz) ✔✔
Mindview (.mvd and .mvdx) ✔✔
Novamind v5 (.nm5) ✔✔✔
XMind8 & 2021 (.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) ✔
SimpleMind (.smmx) ✔✔✔
MindMeister (.mind) ✔✔✔
Export Formats
Freemind/Freeplane (.mm) ✔✔✔
Mindmanager (.mmap v6 and later) ✔✔✔
ConceptDraw (.cdmz) ✔✔
Mindview (.mvd and .mvdx) ✔✔
Novamind v5 (.nm5) ✔✔
XMind8 (.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) ✔✔✔
Things (CulturedCode.com) ✔✔