The export notes currently has a link that opens the relevant document. However, it will be great if the reference details are included in addition e.g. in APA format.

When importing a file, offer at the time the option to add to tags and make local or iCloud based.

Mindmaps are great, but please consider a more loose magnet structure. The user will decide where to place a piece of note and then link the notes as needed.

There are issues in syncing between iOS and OSX via iCloud. New items do not sync automatically.