Select Page
CartSignal Logo

Know Before You Go.
Compare Real Local Grocery Prices.

CartSignal is community-powered price tracking for local grocery stores. Search by ZIP code, scan a barcode, and see what your neighbors are actually paying — right now.

Active Stores
Products Tracked
States Active
USA Now Nationwide

Built for Smarter Shopping

Everything you need to stop overpaying at the grocery store.

📍

Real-Time Local Pricing

Search by ZIP code and instantly compare grocery prices at stores near you — submitted by real shoppers in your community.

Confidence Ratings

Every price comes with a confidence score based on how recently it was submitted and how many shoppers have confirmed it.

📈

Price Trend Tracking

Watch prices over time with historical trend graphs. Spot price increases before they hit your wallet and know when to stock up.

🛒

Smart Grocery List

Build your grocery list and CartSignal automatically compares total cost across nearby stores to show you where to save the most.

📷

Barcode Scanning

In the store and wondering if you're getting a good deal? Scan the barcode and instantly see what other local stores are charging.

🤝

Community Powered

The more shoppers contribute prices, the better CartSignal gets. Every submission helps your whole community shop smarter.

Where We Track Prices

Each dot represents a participating store. Click any location to see store details.

Can't see your local store? Suggest it here →

See CartSignal in Action

Free to use in your browser — no download required.

Launch Web App — Free Beta

CartSignal Mobile App

Now on iPhone via the App Store, and on Android as a direct download. Google Play listing coming soon.

Download on the App Store ↗ Get the Android App (APK) ↗

Android installs outside the Play Store — after downloading, tap the file and allow installs from your browser if prompted.

Nationwide expansion is now in progress!