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Google Keep vs Backtalk: catalog facts
Google Keep	Backtalk
Free Free to use with a Google account.	Free Free and open source under the MIT licence.
Web	Android
Quick capture of notes and checklists Reminders built in	Fast capture in a chat-style interface Pinning, hashtags and reminders
Requires a Google account Notes are stored on Google's servers	Single timeline with no folders by design Android only
Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License: MIT
Account needed	Not stated if an account is 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.