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Notes Tech vs Relatrix: catalog facts
Notes Tech	Relatrix
Free Free and open source under the Apache-2.0 licence.	Free Free and open source.
Android	Android
No internet permission and no account Encrypted database with per-folder vaults	Data stays offline and encrypted on the device Links and tags between notes across the library
Uninstalling the app permanently deletes all notes No sync between devices	Android only Young project with a small user base
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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