If the high schools in the region you serve are are on Hudl you are most likely going to have to be on Hudl. Zoom's ad claims that coaches can easily synch video to your account but I would caution that obtaining video can be easy to impossible depending on the coach.
Even with an edict from our state office that complaints will not be reviewed unless video is shared with officials, we still have some weeks where we get 0 games from the dozen or so assigned to us on any given Friday. I'd be leery of adding any additional steps to a staff member who may or may not be excited about doing it anyway.
I would speak with the sales department of each and compare. Its going to take some research. I don't think HUDL has individual accounts anymore so unless you are a large group, it might be cost prohibitive to set up a "team account". Coaches are able to e-mail you video links as a "recruiter", I believe.