Cartculator
See your cart total in real time to avoid checkout surprise
What it does
Most shopping and budgeting apps assume you’ll type prices manually or only track spending after checkout. Cartculator is the only shopping app that lets you see your total before checkout — just by scanning prices, not typing them. You scan shelf prices with your phone and see your cart total in real time. No decimals, no mental math, no friction. This removes the biggest reason people don’t track prices in the first place. Plus, very comfortable, automatic list matching (planned vs taken).
Does the same job
all alternatives →
GroceryBudget: Shopping ListJun 2026 · grocerybudget.app · ▲4Scan grocery labels and track spending in real time
CartwatchappJun 2026 · cartwatchapp.com · ▲2Free grocery budget tracker — no login, no download needed
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Hey HN! I wanted to share something I built over the last few weeks: isometric.nyc is a massive isometric pixel art map of NYC, built with nano banana and coding agents. I didn't write a single line of code. Of course no-code doesn't mean no-engineering. This project took a lot more manual labor than I'd hoped! I wrote a deep dive on the workflow and some thoughts about the future of AI coding and creativity: http://cannoneyed.com/projects/isometric-nyc
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