We compare prices across Amazon, Walmart, Best Buy, Target, eBay, and dozens more — so you never overpay again.
Early access launching soon · 20+ retailers · Zero bias
The Process
How CostBrew Works
Search
Tell us what you're looking for. Type a product name or describe what you need in plain language.
Compare
Our AI scans prices across 20+ major retailers in real time. We find every option and rank them by price, surfacing other key factors like shipping speed and ethical considerations.
Save
Click through to the retailer with the best price. We help our users save on every purchase.
Our Advantage
Why CostBrew
Zero Bias
We don't take money from retailers to rank them higher. The cheapest price always wins. Period.
AI-Powered Search
Unlike basic price comparison sites, CostBrew understands natural language. Search for 'noise-cancelling headphones under $200' and get real results.
Real-Time Prices
We pull live pricing data directly from retailer APIs. No stale data, no bait-and-switch. What you see is what you pay.
20+ Retailers
Amazon, Walmart, Best Buy, Target, eBay, Home Depot, Newegg, Macy's, and more. One search covers them all.
For Retailers & Affiliates
Partner With CostBrew
We drive high-intent, purchase-ready shoppers directly to your store.
Retail Partners
Verified API Data
Cost to Partner
For Retailers
CostBrew sends qualified buyers — not window shoppers — to your checkout. Every user who clicks through from CostBrew is actively comparing prices and ready to purchase. We integrate through your official affiliate program and API, ensuring proper attribution and tracking for every sale.
For Affiliate Networks
We work with the major affiliate networks. If your retailers are on these networks, we'd love to feature them on CostBrew.
Impact
CJ Affiliate
Rakuten
ShareASale
AwinLet's Talk
Get In Touch
Whether you're a shopper who wants early access or a retailer interested in partnering, we'd love to hear from you.
Join the waitlist for early access to CostBrew.