No need to clear out of USVI. (But still must clear back in to BVI.... I suggest JVD)

Used the app last week and unfortunately, submitted prior to being in US waters. Kept saying "Status pending" or "in process" so we went to CBP.

Officer immediately cleared me in by her computer without even looking at our physical passports (all was in APP). Seemed new to them and they had not noticed incoming request, but they seemed really positive regarding APP.