DealSense is a free Chrome extension that automatically detects hidden Amazon coupons, calculates real discounted prices, and finds cheaper similar alternatives — all without leaving the product page. 💰 Auto-detects 6 types of hidden coupons (Apply coupon, Save at checkout, Coupon price, Subscribe & Save) 💰 Shows real price after discounts 💰 Auto-applies coupons for you 💰 Finds cheaper similar alternatives 💰 Scans search results for coupon items 100% free. No sign-up needed.
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Maker
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Hey Product Hunt! 👋
I built DealSense after realizing I was overpaying on Amazon for years. Amazon hides coupons in plain sight — tiny checkboxes, "Save at checkout" text, Subscribe & Save discounts — and most people scroll right past them.
DealSense fixes this. It finds every hidden coupon automatically, shows the real price, and recommends cheaper alternatives.
Built with TypeScript + Chrome Manifest V3. 100% client-side, zero data collection.
I'd love your feedback, bug reports, and feature ideas! 🙏