warm uping vs CartCalc+

You can use this app to connect a bluetooth device to use the device

CartCalc+ — Smart Shopping Cart Calculator Know your total before you reach the checkout. CartCalc+ adds up your items in real time, applies your state and local tax automatically, and tracks your budget so you never go over. PRICE TAG SCANNER Tap the camera icon next to the Price field, point at a shelf tag, and the price is captured instantly — no typing required. Text recognition runs entirely on-device using Apple Vision. No photos are stored or transmitted. REAL-TIME TOTAL WITH TAX Your subtotal, tax, and grand total update the moment you add an item. All 50 state sales tax rates are built in and always ready. LOCAL & COUNTY TAX Add your local or county tax rate on top of the state rate for a more accurate total. BUDGET TRACKER Set a budget and a live progress bar shows exactly how much room you have left — and alerts you when you go over. ITEM LIST View, edit, or remove any item at any time. Tap the pencil icon to update a name, price, or quantity inline. STORE NAME Label your cart by store so you always know what you're shopping for. DARK MODE Full system dark mode support — looks great in any lighting. NO ACCOUNT. NO ADS. NO TRACKING. Your cart data lives on your device. Nothing is collected, shared, or sold.