Find out if you just overpaid.

Every tool you need.

Scan a price tag, compare stores, or audit your full spending — CartLens gives you every tool to make sure you never overpay again. Any store. Any category.

Global Intelligence

Full native support for 11 languages — shop in your own language, currency, and units wherever you are.

Autonomous Sync

Zero-friction travel. Cross a border and the app instantly adapts: new currency, new language.

Sovereign Policy

Built-in GDPR/CCPA compliance and SOC2 Type II security. You own your data.

Data Portability

Download your entire shopping history and Spending DNA in a localized JSON archive.

Automated Anonymity

Decommission your identity with a single click. We scrub PII while keeping price data active.

Crowdsourced Prices

Real prices from real shoppers near you — not web scrapers, not delivery apps. Every scan makes the data smarter for everyone.

Instant Receipt Scan

Point your camera at any receipt or price tag. CartLens instantly reads every item, price, and quantity with 99.8% accuracy.

Spending Insights

See exactly where your money goes across every category, every store, every trip.

Basket Comparison

Compare your full shopping list across local stores and find the cheapest combination in real time.

Price Spike Alerts

Detects sudden price spikes at local stores — so you know when something is priced way above the normal range.

AI Shopping Chat

Ask CartAssistant anything. It finds cheaper alternatives, tracks your savings, and helps you decide where to shop.

Store vs. Store

Compare two stores side by side to see which one is cheaper for your exact shopping list.

Matryoshka Multimodal Clustering

We don't just "read" labels. We see them. Powered by Gemini Embedding 2, our engine fuses raw pixel data with semantic text strings into a single 768-dimension vector.

Capture.

Scan any receipt or price tag

Point your camera at any receipt or price tag. CartLens instantly reads every item and price — then tells you right away if you paid a fair price.

Battle.

Find out where it's cheaper

See which local stores have your items for less. CartLens compares your full basket across nearby merchants and shows exactly how much you could save.

Audit.

See how much you saved

Review every purchase. CartLens tracks your overpays over time and shows you where your money is leaking — across every store, every category.

The Price Lattice.

We don't just compare prices; we map the physical economy in real-time. Our proprietary geospatial lattice grows with every scan.

Ground-Truth Data

Zero reliance on outdated merchant APIs. We capture the ground-truth from the shelf.

Network Density

Crowdsourced intelligence that scales with the community. Denser networks yield higher savings.

Verified Archival

Every price node is timestamped and geospatially verified for surgical accuracy.

CartAssistant

Your AI sidekick for smarter shopping. CartAssistant finds cheaper alternatives, manages your lists, and battles merchants on your behalf — all through natural conversation.

Why pay more when you can optimize?

The physical economy belongs to the users.

Pricing

Shoppers who stopped overpaying.

The Community

I scanned my Whole Foods receipt and CartLens showed me I'd overpaid $14 on three items I could've gotten at Target two blocks away. I was annoyed — but glad I finally knew. I've rerouted my whole grocery routine since.

Sarah J., Grocery Shopper

Scanned a price tag on supplements at CVS. CartLens flagged it — same bottle was $8 cheaper at Costco down the street. I turned around and left. This app pays for itself every single week.

Michael R., Price Watcher

I never had time to price-compare with three kids. Now I scan my receipt when I get home and CartLens tells me exactly where I overpaid. Last month it found $67 in avoidable overpays. I moved two stores.

Elena K., Mom of Three

I thought I was being careful. Then CartLens showed me I was overpaying $200+ a month compared to what my neighbors paid at the same stores. That number woke me up. I'm down to $38 overspend now.

David L., Budget Tracker

Three seconds from photo to 'you overpaid $4.50 on this.' I've been showing everyone I know. Nobody believes the prices come from real local receipts, not some scraper. The speed and accuracy are unreal.

Alex M., Early Adopter

I travel constantly and never know if I'm getting ripped off in an unfamiliar city. CartLens pulls real prices from local shoppers — not delivery app markups. Caught a 40% price spike at an airport store last month.

Julian W., Frequent Traveler

Every Sunday I scan my receipt from the week before and check where I could've done better. My household spending is down $180 a month and I know exactly why every dollar of that is happening.

Chris P., Weekly Shopper

My corner store was charging 15–20% above what the Kroger three minutes away charged for the same brands. I had no idea for two years. CartLens showed me in thirty seconds.

Maria G., Neighborhood Regular

Latest Intelligence

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Free Intelligence Tools

Your Data. <br />Your Sovereignty.

We believe your Spending DNA is yours alone. CartLens is built with privacy-first architecture and SOC2 Type II compliant security.

Asymmetric Processing

Neural tasks are processed without compromising your personal identifier nodes.

Export Protocol

One-click JSON export for your entire shopping history. No vendor lock-in, ever.

Sunset Protocol

Decommission your identity at any time. Permanent record destruction in one click.

Intelligence Calibration.

Ultra users define their own price recency horizon and discovery radius. Calibrate your intelligence node for surgical discovery.

As Featured On

Featured across premier television network affiliates and major global news publications.

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