Chargeback Specialist is a Shopify app that helps eCommerce merchants win chargebacks and recover lost revenue. Built by a Visa/Mastercard-certified chargeback expert and ex-banker with 15+ years of dispute experience, it combines AI-assisted evidence gathering with human-reviewed, store-specific rebuttal letters — not just templates. Works with Shopify, Stripe, PayPal and others. Minimum Monthly Fee + Success-based pricing.