Google's Universal Cart shopping tool launches in the US across Search and Gemini

Google’s Universal Cart is rolling out in the U.S. across Search and the Gemini app on October 15. The tool saves products from multiple retailers in one place and alerts shoppers when prices drop or items return to stock. Google previewed it at I/O in May, TechCrunch reports.

The launch adds a shared shopping list to Google’s search and chat tools. A product saved while browsing in Search remains in the cart when the shopper returns through Gemini, according to Google’s announcement. That gives shoppers a way to resume a purchase they put off earlier.

Saved products, alerts and payment help

Google says Universal Cart draws on its Shopping Graph to monitor price and inventory changes. The cart can send notifications about a saved item’s lower price or renewed availability.

It also uses Google Wallet information to help shoppers choose between payment methods based on card benefits. Google says it can show relevant promo codes inside the cart. These are the company’s descriptions of the tools; the launch posts provide no measured results for savings or alert accuracy.

The checkout route depends on the merchant

Checkout uses the Universal Commerce Protocol, which Google introduced earlier this year to help agents and retailers work together. Google describes two routes. Shoppers can pay with Google Pay inside the cart at supported stores, or transfer items to the merchant’s cart and finish on its website.

Google names Nike, Sephora, Target, Ulta Beauty, Walmart, Wayfair and many Shopify merchants as examples for these checkout experiences. The merchant remains the seller of record and provides order confirmations and customer support under either route.

Our analysis

Compare the shopping task before comparing the assistants

The shopping tools we have covered solve different parts of a purchase. Their shared use of AI says less about their usefulness than the step each one handles:

Google’s Universal Cart keeps a cross-retailer shortlist and watches for price or stock changes. It is most relevant when you have found products but want to return later.
ChatGPT’s Favorites and virtual try-on help shoppers save products and preview clothing on an uploaded photo. Favorites overlaps with Google’s save-for-later role, while try-on addresses the choice of style.
TikTok’s Shopping Assistant answers product questions using merchant-provided information. Its separate Buy Direct checkout requires a UCP integration, and TikTok limits access to eligible tests.
Shopify’s catalog expansion lets more agents browse listings and propose purchases through a connected Shop account. Buyers must approve each purchase.

This comparison puts Google’s launch closer to managing an unfinished shopping trip than delegating a purchase. Google itself distinguishes tools that act on a shopper’s behalf from this cart’s focus on organization and shopper control. Its documented checkout still has the shopper choose when to buy.

For a shopper considering Universal Cart, check the checkout route for the actual retailer before relying on an in-cart purchase. Google offers both direct payment and merchant-site handoff, so saving products from several stores does not establish that all of them share one payment step. Keep the merchant’s confirmation for each order, since that merchant also handles support.

Google's Universal Cart shopping tool launches in the US across Search and Gemini

Saved products, alerts and payment help

The checkout route depends on the merchant

Sources