A:Answersync mod is for adding additional cameras to run off one system-so i have five and all five screens can display at once. singular cameras just require permissions in your phone and the app.
A:AnswerIn my household we have three phones that the Blink app has been downloaded to and each person can check the live feeds and previous motions from their own phone. I am not sure the maximum number of phones but it works fine for us with three.
A:AnswerMembership required if you are looking to have video recoded and store for personal use. Will record daily activities but small clips and space limited. Their is a trial period to test services
A:Answergo to app home and click on the big plus sign upper right to add another camera. You will need to scan the bar code of the new camera which is located inside behind battery.