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Umi-OCR vs OwlOCR: catalog facts
Umi-OCR	OwlOCR
Free Free and open source under the MIT licence.	Freemium Free Core tier; Pro upgrade adds local AI OCR and batch tools.
Windows, Linux, Command line	macOS, Command line
Runs fully offline with a built-in OCR engine Screenshot, batch image and PDF recognition	OCR runs on the device Searchable PDF export
No macOS build Documentation is primarily in Chinese, with English and Japanese READMEs	macOS only, 13.3 or newer Local AI and batch features need Pro
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
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.