We have an app under development which allows musicians to unlock contact details of people who posted about an upcoming event. The musician pays a fees to unlock this contact details.
Both the musician & the post owner are registered users. We will reveal the same contact info that the post owner used for account signup verification.
Questions:
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Is this allowed? (given that we obtain consent to share contact info to other people and clearly mention this in privacy policy)
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If yes, will we have to use App store in-app purchase to facilitate this transaction or are we free to use a payment processor such as Stripe.