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Smart Local Price Tracking

Compare local grocery prices, track price trends, and discover community-powered shopping intelligence.

App is currently available to PA residents only, with additional states coming soon.  Join the waitlist!

Built for Smarter Shopping

CartSignal combines community-driven pricing with intelligent trend tracking to help shoppers make better buying decisions.

Real-Time Local Pricing

Search by ZIP code and instantly compare nearby grocery prices across participating stores.

Confidence Ratings

See how trustworthy pricing data is based on user confirmations and recent activity.

Price Trend Tracking

Monitor historical pricing trends and spot price increases or drops over time.

Regional Expansion Progress

CartSignal is actively importing and verifying grocery store locations across the Northeast as we continue to expand platform coverage.

Pennsylvania stores have already been added into CartSignal, with additional Northeast states currently scheduled for import and verification.

Independent and regional grocery stores are continually being added to CartSignal. Haven’t seen a local store yet? New stores can be suggested from within the Web App.

CartSignal Regional Map
357
Active Stores
2,884
Tracked Products
1
State Covered
NE
Expansion In Progress

See CartSignal in Action

Real-time grocery pricing, community confidence tracking, and historical price trend analysis powered by community-driven shopping intelligence.

Web App

Start Here Barcode or Product Name

Start Here

Simply enter your zip code or choose the pin to localize your zip to your current location, then either type a product name or scan a barcode to see pricing.

Home Recent Prices

Home Page Recent Prices

The homepage shows the most recent price changes submitted to CartSignal.

Stores Near You

Stores Near You

CartSignal can show you stores within 10, 20, or 30 miles of your location.  Simply enter your zip code or choose the pin to localize the zip to your current location, and choose your radius in the drop-down.

My Grocery List

My Grocery List

Add items to your grocery list, choose quantities, and see your prices update dynamically.  Store comparisons will take the same item prices or a similar item price if the original is not available at that store, and dynamically figure out which store could potentially save you more money. 

 

*This feature will improve as pricing data improves over time, and is only an estimate of potential savings!

Product Page with Graph

Product Page

Each product page will allow you to add the item to your Grocery List or see recent price trends with the provided graph.

Local Store Pricing

Local Store Prices

Each product page will also show you a list of reported prices for stores in your local area, you can sort by Nearest stores, Lowest Price, or Freshest (most recent pricing data).

Profile Page

Profile Page

CartSignal collects only the minimal personal information required to make the site function properly.  You can see your Price Submissions Count, Grocery List Items, Product Requests, and Store Suggestions.  You are also given a Contributor level based on your recent submissions to CartSignal.  The more item prices you submit, the higher level you can obtain.

iOS & Android App - Coming Soon

Sign in Screen

Start Here

Login on iOS or Android (Coming Soon) to begin using CartSignal.

Home Screen

Home Screen

Similar to the Web App simply type a product name, enter a barcode, or use the barcode button to scan an item, enter your zip code and click "Search Prices" to find local prices for your market.

Store List

Stores Near You

Just like the web app you can display local stores near you on mobile.  

My Grocery List

My Grocery List

Add items to your grocery list, choose quantities, and see your prices update dynamically.  Store comparisons will take the same item prices or a similar item price if the original is not available at that store, and dynamically figure out which store could potentially save you more money.

 

*This feature will improve as pricing data improves over time, and is only an estimate of potential savings!

Product Price List

Product Page

Each product page will allow you to add the item to your Grocery List or see recent price trends with the provided graph.

 

*Graphs will be available in a future revision.

Open Food Facts Import

Open Food Facts

If an item is not currently available in CartSignal and it is an item that is tracked on Open Food Facts, you will be presented with an import form that allows you to submit the item to CartSignal.

 

*Admins will clean up any missing data, and update pictures where necessary before approving the item on CartSignal.  This feature allows us to quickly add new items to the site.

Account Profile

Profile Page

CartSignal collects only the minimal personal information required to make the site function properly.  You can see your Price Submissions Count, Grocery List Items, Product Requests, and Store Suggestions.  You are also given a Contributor level based on your recent submissions to CartSignal.  The more item prices you submit, the higher level you can obtain.

 

*Individual stats will be available in a future release.

How It Works

CartSignal helps shoppers compare local grocery prices using community-driven pricing intelligence.

1. Scan Products

Use barcode scanning to quickly identify products and pricing information.

2. Compare Nearby Prices

View community-submitted pricing from local stores in your area.

3. Shop Smarter

Track pricing trends and confidence ratings to make informed shopping decisions.

CartSignal is here for Pennsylvania, with more states coming soon!