Compare package sizes the easy way
16 oz peanut butter or 40 oz? Cartlyt shows the cost per ounce side by side and recommends the better value, taking the mental math out of the aisle.
Bigger isn't always cheaper, and 'buy one get one' often isn't the deal it looks like. Cartlyt calculates cost per unit across package sizes and stores so your household always buys the genuine best value — automatically, on every item.
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16 oz peanut butter or 40 oz? Cartlyt shows the cost per ounce side by side and recommends the better value, taking the mental math out of the aisle.
Sometimes the small size is actually cheaper per unit. Cartlyt catches these reversals so you're never tricked into overpaying for a bigger box.
Unit pricing runs on every result Cartlyt shows you, across every store — so best-value comparison isn't a calculator you open, it's just how shopping works.
Cost per ounce, per item, per 100g or per liter as appropriate — whatever lets you compare the products like-for-like.
No. Cartlyt computes and compares unit prices automatically on every listing.
Yes — unit prices are normalized so you can compare value across stores, not just within one.
Cartlyt is the AI Household Operating System — groceries, meals, pantry, budget and more, optimized for you. Free to start.
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