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Google Keep vs AquarellNotes: catalog facts
Google Keep	AquarellNotes
Free Free to use with a Google account.	Free Free and open source under the Apache 2.0 licence.
Web	Android
Quick capture of notes and checklists Reminders built in	Notes and shopping lists in one app No accounts, ads, analytics or tracking
Requires a Google account Notes are stored on Google's servers	Early beta from a single developer No sync between devices
Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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