Google Keep promises quick captures. Colorful cards. Instant sync. Professionals jot ideas on the fly during meetings or fieldwork. But hand over your phone? Anyone swipes into those notes. No barriers. Parth Shah nails it in Android Police : “If I hand someone my phone to show them a pinned note about a lunch spot, they are exactly one accidental swipe away from seeing sensitive manufacturing specs or a private draft I’m not ready to share.” OneNote changes that. Microsoft built section-level locks years ago. Set a password. Toggle biometrics. Thumbprint unlocks your vault, leaves grocery lists open. Shah again: “Microsoft OneNote has long understood this by offering peace of mind with password-protected sections. It’s a basic fundamental tool for digital organization, and its absence in Keep is the main reason I can’t and won’t make the switch.” Keep treats every note the same. Casual. Transparent. Fine for public brainstorming.…