Compare software

CrystalpadGoogle Keep
Free

Free and open source under GPL-3.0, with no ads.

 Free

Free to use with a Google account.

Android Web
  • No internet permission and no tracking
  • Notes stored locally on the device
  • Quick capture of notes and checklists
  • Reminders built in
  • No sync between devices
  • Young project with a minimal feature set
  • Requires a Google account
  • Notes are stored on Google's servers
Downloadable app Web application, Hosted service
Open source Closed source
License: GPL-3.0-or-later License not stated
No account needed Account needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

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