Check which item is coming back
Open an active loan on your Watch to check the details before meeting your friend. If the library is out of date, request a refresh from the paired iPhone.
REBORROW FOR APPLE WATCH
Check a loan while you’re away from your phone. The watchOS companion gives ReBorrow Pro users a quick way to review a return or prepare a follow-up.

Open an active loan on your Watch to check the details before meeting your friend. If the library is out of date, request a refresh from the paired iPhone.
If you lent a camera kit, check the camera, case and charger as they come back. Your iPhone confirms the saved return.
Preview the wording for a return reminder. You choose whether to share it or hand the draft to your iPhone.

No. It works with ReBorrow on a paired iPhone. Use the iPhone or another supported full app to manage the whole library.