Excellent for researchers, lawyers, and students with massive archives. Clean, native macOS feel. :
: Improvements in the Optical Character Recognition (OCR) layer allow for better text detection in low-quality scans or older documents. PDF Search 10.12
If you are currently on an older version (like 9.x or early 10.x), is a highly recommended update for the stability and indexing speed alone. It remains one of the best "second brain" tools for anyone who treats their PDF collection as a primary knowledge base. Excellent for researchers