Stripe

Build subscription billing, dunning, proration, and tax calculation flows

Reduce churn by building cancellation flows, save offers, and win-back campaigns

Convert free users to paid by optimizing paywalls and upgrade screens

Map PCI DSS requirements, tokenization, encryption, and audit logging

Design pricing tiers, run WTP analysis, and build a packaging matrix

Design a pricing model, tiers, and value metric that maximizes revenue

Design a referral or affiliate program that turns customers into growth channels