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UpNote vs Inkdrop: catalog facts
UpNote	Inkdrop
Freemium Free to download, with paid plans listed on the pricing page.	Paid Commercial app; see the Inkdrop site for current plan prices.
Windows, macOS, Linux, Android, iOS, Browser extension	Windows, macOS, Linux, Android, iOS, Browser extension
Native apps for all major desktop and mobile systems Rich editor with Markdown, code blocks and attachments	Markdown editor built around developer workflows Encrypted sync across devices
Closed source Full feature set depends on a paid plan	Closed source commercial product Recent focus on AI features may not suit everyone
Downloadable app, Browser extension	Downloadable app, Browser extension
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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