B is also one click, considering Stripe and others already offer Apple Pay as a payment option.
For C, customers can choose to continue using Apple's subscription management if they think it's worth the 30% premium that Apple charges. Or Apple could reduce the price to something more reasonable (Stripe Billing offers a similar feature set and costs 0.7%).
For C, customers can choose to continue using Apple's subscription management if they think it's worth the 30% premium that Apple charges. Or Apple could reduce the price to something more reasonable (Stripe Billing offers a similar feature set and costs 0.7%).