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MWeb Pro vs Obsidian: catalog facts
MWeb Pro	Obsidian
Paid A lifetime version costs $34.99 on the MWeb Store; also available on the App Store.	Free Free for everyone, including commercial use, in the vendor’s own words. Obsidian Sync and…
macOS, iOS	Windows, macOS, Linux, Android, iOS, Browser extension
Native AppKit and UIKit apps GFM with math, Mermaid and ECharts previews	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
Apple platforms only Paid app	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
Downloadable app	Downloadable app, Browser extension
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 20, 2026

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