You are entirely ignoring the subscription for what should, at most, be a one-off cost.
> The app is part of the implementation
Give other cameras can do it, there has a standard for it since 2003, and there are F/OSS implementations for others, maybe I'm asking the wrong question and instead should have asked “why should the OP pay a subscription for their bad choice of how to implement the feature?”.
> The app is part of the implementation
Give other cameras can do it, there has a standard for it since 2003, and there are F/OSS implementations for others, maybe I'm asking the wrong question and instead should have asked “why should the OP pay a subscription for their bad choice of how to implement the feature?”.