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You scan your Costco receipts. When an item you bought appears on sale at the same warehouse, BulkBack shows it as a potential price adjustment with the possible refund and how many days are left to claim.

BulkBack puts your eligible items into two lists: Warehouse claims and Online claims. For a warehouse purchase, go to the membership/return desk at the same warehouse where you bought the item, within 30 days of purchase, and open your claim list. It shows large item numbers and purchase dates on one screen that stays on until you are done. For a Costco.com order, tap “Open Costco’s online form to claim” in the app. The item must be on sale and Costco decides each claim, so a refund is not guaranteed.

Common reasons: the item is not on sale yet, the sale is at a different warehouse than where you bought it, the 30-day window has passed, or the item is not eligible (for example gold bars, gold coins and bullion). Sale information comes from Costco's savings books and from other members who choose to share, so it can be incomplete.

Free: receipt scanning and history, the searchable savings book, the shopping list, purchase insights, and the total waiting to claim. Plus adds every claimable item with its number, the return desk claim list, automatic price-adjustment matching, reminders before deadlines, alerts when items on your list go on sale, Ask your receipts in plain English, and meal ideas with items on sale.

Subscriptions are managed by Apple, not by us. On your iPhone open Settings, tap your name, then Subscriptions, and choose BulkBack Plus. You can cancel there at any time; your access continues until the end of the paid period.

Open BulkBack, go to the subscription screen (or Settings) and tap Restore Purchases. Sign in with the same Apple Account you used to subscribe.

Apple handles refunds for App Store purchases. Visit reportaproblem.apple.com and choose your purchase. We can't issue App Store refunds directly.

On your iPhone. If iCloud backup is on, your data is also saved in your own iCloud account so it can come back after a reinstall or a new phone. We can't see it. Optional features share limited details only if you turn them on: community price sharing (item prices, not linked to you), email alerts (your email address and reminder details) and Ask your receipts (only your question and today's date). See the Privacy Policy.

Turn on iCloud backup in the app and your receipts and shopping lists are saved to your own Apple iCloud account, so they come back on a new iPhone or after a reinstall. You can also use Export and Import in Settings to save a backup file of your receipts and lists and move it between devices. BulkBack never receives your receipts, so we cannot restore them for you.

Sharing is optional. If you turn it on, the price, item and warehouse for a purchase or a sale item you add can be used to help other members who also share. No name, email or account is attached. You can turn sharing off at any time in Settings.

Email alerts are optional and off until you turn on “Email me too” in Settings > Reminders. You enter your email address and confirm it with a 6-digit code. Free users get the count and dollar total of what is waiting; Plus users also get item numbers and names. Every email has an unsubscribe link, and turning the switch off or unsubscribing deletes your address from our server.

Use the Report option on the item in the app, or email [email protected] with the item and warehouse. We review reports and remove content that is wrong or inappropriate.

Your receipts live on your phone, so deleting the app removes the local copy, and you can delete the iCloud backup in iPhone Settings. If you turned on email alerts, turning the switch off in Settings > Reminders, or using the unsubscribe link in any email, deletes your address from our server. To ask us to remove information you shared with other members, email [email protected].