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Obsidian vs VoodooPad: catalog facts
Obsidian	VoodooPad
Free Free for everyone, including commercial use, in the vendor’s own words. Obsidian Sync and…	Paid A paid app with a free download to try.
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	Wiki links, tags and aliases for connected notes Embeds and links files, PDFs and URLs
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	Mac and iOS only Collaboration relies on a shared Dropbox folder
Downloadable app, Browser extension	Downloadable app
Closed source	Closed 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 October 2, 2026

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