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Mobile appsMedium2 weekendsUnder $100Mobile appWorld saving

Pantry Scan

Scan groceries as you unpack and get nudged before anything expires.

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The idea

Households throw out food they forgot they had. Pantry Scan logs items by barcode or photo with an expiry date, shows what is expiring this week, and suggests simple ways to use it up. Less waste and fewer duplicate purchases.

Who it is for
Busy households who want to waste less food
How it makes money
Subscription for shared households and suggestions
Suggested stack
Expo (React Native), Supabase for login and data
Launch cost
Under $100

Your first AI prompts

Paste these into Claude, Cursor or Lovable, in order. Check that each one works before moving on.

PROMPT 1 OF 3

Build an Expo app called Pantry Scan. Start with login and an Inventory screen grouped by location (fridge, freezer, pantry), and an Add Item flow with a barcode scanner, name, quantity, location and expiry date.

PROMPT 2 OF 3

Look up product names from a free barcode database and fall back to manual entry. Show an Expiring Soon list for the next 7 days, schedule a local notification 2 days before each expiry, and add a Use It Up button that asks an AI model for 3 quick ideas using the expiring items.

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PROMPT 3 OF 3

Add shared households so family members see the same inventory, a shopping list built from items marked used up, and a subscription for sharing and AI ideas.

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The 10 step playbook

  1. 01Claim your ideaPut your name on it and unlock every prompt and the full playbook. Always free.
  2. 02Domain and nameBrainstorm a short name, check the .com, and register it.
  3. 03Trademark basicsSearch for conflicts before you fall in love with the name.
  4. 04AI build kickoffPaste the prompts below into Claude, Cursor or Lovable, one at a time.
  5. 05Server and hostingPick a host and have your AI walk you through setup.
  6. 06Backend and dataLogins, database and payments, one prompt at a time.
  7. 07Frontend and designScreens, colors and a simple logo that look professional.
  8. 08Go livePut it online, then submit to the App Store and Google Play if it is a mobile app.
  9. 09Marketing planLaunch posts, local outreach and your first 100 users.
  10. 10Launch and growShip it and add your live link to earn the Shipped badge.
Your full playbook for Pantry ScanEvery step spelled out for this idea, with the exact prompts to paste into your AI.
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