You lose the powerful performance tracking and peer-comparison data that makes UWorld the gold standard.
The "new" versions people often look for are typically community-compiled or Anki decks . These are popular for several reasons:
Medical exams (USMLE, NCLEX, MCAT) update their standards regularly. An offline file from six months ago might contain "correct" answers that are now clinically outdated.
Using offline screenshots or summaries helps in reviewing difficult concepts during commutes without burning through data.
While the UWorld mobile app allows for some caching, it generally requires a handshake with their servers to load blocks and save your results. Why People Search for "UWorld Offline New"