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Fossify Notes vs Backtalk: catalog facts
Fossify Notes	Backtalk
Free Free and open source, with no ads.	Free Free and open source under the MIT licence.
Android	Android
Very simple text field for fast note entry Supports checklists as well as text notes	Fast capture in a chat-style interface Pinning, hashtags and reminders
Android only Not designed for large, structured note collections	Single timeline with no folders by design Android only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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