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Obsidian vs FSNotes: catalog facts
Obsidian	FSNotes
Free Free for everyone, including commercial use, in the vendor’s own words. Obsidian Sync and…	Paid No subscription; the official stable release is distributed through the App Store.
Windows, macOS, Linux, Android, iOS, Browser extension	macOS, iOS
Notes are plain Markdown files in a folder you control, readable without the app Linking, backlinks, tags, graph view and fast search across the vault	Notes are plain Markdown files readable without the app Built-in Git backups with history
The application is not open source, only the plugin ecosystem and the releases repository Syncing between devices means paying for Obsidian Sync or wiring up your own sync tool	Apple platforms only Sync relies on iCloud Drive or your own Git setup
Downloadable app, Browser extension	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 24, 2026

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