Best paywall testing tools in 2025

📊 Customer purchase analysis 📊 Customer satisfaction metrics tools 💳 Payment processing frameworks 💡 Pricing insights generation 📈 Pricing strategy evaluation tools 📈 Pricing strategy metrics 📈 Revenue analysis frameworks 📊 Revenue management frameworks 📊 Revenue management insights 📈 Subscription growth strategies 💰 Subscription models 💰 Subscription pricing evaluation 💳 Subscription pricing models 💰 Subscription pricing strategies 💰 Subscription revenue optimization