Compare software

Google KeepSideNotes
Free

Free to use with a Google account.

 Paid

Commercial Mac app from Apptorium; check the developer's site for current pricing.

Web macOS
  • Quick capture of notes and checklists
  • Reminders built in
  • Notes panel appears at the screen edge without app switching
  • Markdown, tasks, images and colors in notes
  • Requires a Google account
  • Notes are stored on Google's servers
  • Mac only
  • Suited to quick notes rather than a large knowledge base
Web application, Hosted service Downloadable app
Closed source Closed source
License not stated License not stated
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.