Costco Companion App

Your Trusted Warehouse Companion — for Costco fans by Costco fans

Mobile phone application screenshot

Price Adjustment Assistant

NEWPrice Adjustment Assistant is our newest tool that helps you save money with Costco. Simply upload your receipt, and we'll analyze and monitor your purchases for price drops so you'll never miss that price adjustment opportunity.

Product reviews & ratings

Instant and honest warehouse product reviews and ratings at your fingertips by shoppers for shoppers like you.

Special deals & discounts

Find special deals and clearance items! Browse exclusive non-advertised low prices and clearance items for your local warehouse, such as manufacturer specials, store manager deals, and more.

Product discussions

Engage in product discussions with other Costco shoppers.

Product sightings & alerts

See nearby spottings and be notified when a product is spotted at your warehouse or has a special deal pricing.

Price history

Track historical prices of your favorite products.

Frequently Asked Questions