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Home and familyEasy1 weekendUnder $100Web appWeekend build

Allergy Card

A clear, printable allergy card for your family to hand to hosts and restaurants.

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The idea

Parents create a card listing each family member's food allergies, severity, hidden sources to watch for and what to do in a reaction. The app can translate it for travel and share it as a link or wallet sized print. It makes every meal out less stressful.

Who it is for
Parents managing a child's food allergy
How it makes money
Free card, $5 one time for translations and printable wallet cards
Suggested stack
Next.js, MySQL, Tailwind, hosted on a small VPS
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 a web app called Allergy Card. Parents sign up and add family members by first name with a list of allergens, severity (mild, severe, life threatening), and emergency steps. Show a live preview of the card.

PROMPT 2 OF 3

Use an AI model to add a list of common hidden sources for each allergen and a short, polite message for restaurant staff. Offer translation into a chosen language. Render the card as a mobile friendly page and a wallet sized printable PDF.

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PROMPT 3 OF 3

Add a share link for grandparents, schools and hosts, with a version history. Add Stripe checkout for the one-time premium unlock of translations and prints.

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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 Allergy CardEvery step spelled out for this idea, with the exact prompts to paste into your AI.
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