The 1.4 update was a milestone for power users, introducing several "pro" features: Release Notes - SideNotes - Apptorium
Uses iCloud to sync notes instantly between macOS and the SideNotes iOS app . Key Enhancements in the 1.4 Series SideNotes 1.4.6
SideNotes is designed as a digital "post-it note wall" that lives on the edge of your Mac's screen. It allows you to capture ideas without switching away from your current application. menu bar icon
Notes slide in from the screen edge via a hot side, menu bar icon, or global keyboard shortcut. SideNotes 1.4.6
SideNotes version 1.4.6 is a minor update from Apptorium that focuses on stability, specifically offering to the core experience of the app.