Apple Stickies disappears in fullscreen. SideNotes too. I tried them all — so I built Noticky. It's a macOS menu bar app where notes float above every window, including fullscreen apps. Press ⌘⇧N anywhere. Your note appears instantly. Switch to VS Code, Figma, or YouTube fullscreen — it's still there. Other features: → Markdown WYSIWYG → Smart Tags → iCloud Sync → Touch ID Lock → Export to PDF / MD / TXT One-time payment. $6. No subscription, ever.