ShopIQ

Catch receipt errors and price discrepancies

Grocery receipt errors are surprisingly common. Here's how to catch them — and how ShopIQ helps automatically.

Common receipt errors

  • • Double scans — the same item rung up twice
  • • Wrong price — shelf price doesn't match the register
  • • Missed discounts — loyalty or sale discounts not applied
  • • Weight discrepancies — produce weighed incorrectly
  • • Coupon failures — digital or paper coupon didn't register
  • • Tax errors — wrong tax applied to non-taxable items

How often do receipt errors happen?

Studies show that 1-2% of grocery store transactions contain an error. For a family spending $500/month on groceries, that's $60-120 in overcharges per year — money that walks out the door unnoticed.

The most common errors are double scans and missed sale prices. These are easy to miss when you're in a hurry or shopping with kids.

How ShopIQ catches them automatically

ShopIQ doesn't just read your receipt — it analyzes it for anomalies:

  • ✓ Price history — compares each item against what you paid last time at the same store. A sudden jump looks suspicious.
  • ✓ Cross-store comparison — if milk was $3.49 at Fred Meyer last week and $4.29 this week at Costco, it flags the difference.
  • ✓ Discount verification — loyalty cards, coupons, and sale discounts are extracted and tracked. If a discount was supposed to apply but didn't, ShopIQ notes it.
  • ✓ Quantity sanity checks — buying 10 of the same item? ShopIQ knows your usual purchase patterns and flags outliers.
  • ✓ Running total validation — the sum of line items should match the receipt total. Discrepancies are flagged.

Real example

Before ShopIQ: Sarah buys the same organic chicken breast every week at $6.99/lb. One week it rings up at $8.99 — she doesn't notice until she gets home.

With ShopIQ: The app scans her receipt, compares the chicken breast price against her 8-week history, flags the $2.00 discrepancy, and lists it in price alerts. Sarah catches it before her next shopping trip.

Start catching receipt errors automatically.

Scan your first receipt →