Have you considered 2 revenue modes:
1) Free with ads that may be targeted to varying degrees.
2) Paid, with zero ads and zero data collection and zero targeting.
1) Free with ads that may be targeted to varying degrees.
2) Paid, with zero ads and zero data collection and zero targeting.
I expect you'd find that there is a significant segment of users who would be willing to pay for the service in order to not be targeted with their specific characteristics and use patterns. Brands can build trust, perhaps make that an objective to support subscription sales.