CashBackStacks

Find the best cashback rates and stack offers across shopping portals, credit cards, and offers, and track prices with alerts.

Maximize your cashback, airline miles, and credit card rewards while shopping at over 38,000 stores. CashBackStacks shows a lightweight widget on supported stores to compare shopping portal rates, surface card-linked offers, and highlight your best credit card rewards—so you can stack savings and never miss a deal. 📊 COMPARE 40+ SHOPPING PORTALS Instantly compare cashback rates from 40+ popular shopping portals like Rakuten, Top-Cashback, and more. See which portal pays the most for any store—updated in real time. ✈️ EARN AIRLINE MILES & TRAVEL POINTS Track rewards from major airline shopping portals and loyalty programs including Delta SkyMiles, United MileagePlus, and more. Never miss an opportunity to earn miles and points on your purchases. 💳 YOUR CARDS, YOUR REWARDS Add your credit cards to see personalized category bonuses. CashBackStacks highlights your best card for each store so you know exactly which card to use. 🔗 SYNC & STACK CARD-LINKED OFFERS Sync card-linked offers from major credit card issuers like Amex, Chase, and more. Search all your offers in one place and stack them with portal cashback for maximum savings. 📈 RATE HISTORY & TRENDS View historical rate charts to see if today's offer is a good deal or if you should wait. Never overpay for a mediocre rate again. 🛒 PRICE TRACKING & ALERTS Track product prices from popular retailers like Amazon. Set price drop alerts and get notified when items hit your target price. 🔔 WATCHLIST WITH ALERTS Save your favorite stores and products to a watchlist. Receive alerts when cashback rates increase or prices drop. Privacy-first: Your data stays in your browser—synced offers and cards are stored locally, not on external servers. See additional details and learn more at https://cashbackstacks.com