Shelfbook — Grocery Price Book

Is $3.79 a good price for oats? The tag won't tell you. Your own history will.

Shelfbook is the grocery price book you've always meant to keep. Point your phone at a shelf tag, confirm the price with one tap, and Shelfbook tells you how it compares — per ounce, against every price you've seen for it.

CHECK A TAG • Reads the shelf price, size and unit price straight off the tag, on your phone. • You confirm the shelf price with one tap before anything is saved. If a number can't be read clearly, Shelfbook leaves it blank for you to type in rather than guess. • Every check gets one clear verdict: Best yet, Stock up, Good, Logged, or how far it is over your best.

ONE PRICE LIST FOR EVERY STORE • Every item on one page, by item or by store, with its latest unit price. • Unit prices are shown the same way everywhere — cents per ounce, per pound, per each — so different sizes finally compare. • A shopping list that shows which store is cheapest for each item and roughly what each stop will cost.

KNOW WHEN TO STOCK UP (Full) • Set a good price and a stock-up price for each item, or accept the ones Shelfbook suggests from your records. • See what's due for a low, what quietly shrank, and which "sales" aren't lower than the usual price. • A monthly total of what you saved against your usual price at the same store.

PRIVATE BY DESIGN • No account. No sign-up. No ads. • Tag reading happens on your phone. Photos aren't kept unless you turn on thumbnails, and those stay on this device. • Your prices sync through your own iCloud — never through our servers. We don't have any.

FREE, THEN ONE PURCHASE Shelfbook is free for up to 25 items and 2 stores, including checking tags, the price list, the shopping list and your price history. Shelfbook Full is a one-time purchase that unlocks unlimited items and stores, good and stock-up prices, insights, and CSV import and export. No subscription, ever. If you stop at the free limit, everything you've already recorded stays readable.

Made for people who shop more than one store and want to know — not guess — when a price is really good.

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