In Freeform on iPhone, create a board, or open or duplicate one that was shared with you.
How to Create a Vision Board Using the Apple Freeform App - Almost
Share Freeform boards and collaborate on iPhone - Apple Support
14 Creative Freeform App Ideas & Uses for iPad, Mac & iPhone
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How to use Freeform Apple Support
Draw or handwrite on a Freeform board on iPhone - Apple Support (KW)
Add photos, videos, stickers, scans, links, and other files to a
Share Freeform boards and collaborate on iPad - Apple Support
Draw or handwrite on a Freeform board on iPhone - Apple Support