Multiple Video Doorbell Addresses

[GR_]

I would like to buy 3 video door bells for 3 different addresses.

Can they be set up with 1 app.    Do I need 3 accounts?   Do I need to pay 3 x subscriptions.

Also, I am planning to install 4 cameras at 1 of those address, can the 

[jguerdat]

You can set up as many doorbells and cameras as you need on one account, regardless of location. As for the cameras, it depends on which ones you want to use since only the Pro 2 and older cameras get the free 7 day plan. ANything newer requires a subscription for cloud recordings and other features. Check the subscriptionm section in Settings to see what plans are available and for how much. Both the Premier and Elite plans support 5 cameras so additional cameras would need the single, discounted subscriptions.