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Home and familyEasy1 to 2 weekendsUnder $100Web app

Signup Radar

Never miss registration day for summer camps, swim lessons or sports leagues again.

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The idea

Parents add activities they care about with registration open dates and links. The app sends reminders a week before, a day before and the morning signups open. Popular programs fill in minutes, so timing matters.

Who it is for
Parents juggling camps and activities for several kids
How it makes money
$3 a month or $20 a year
Suggested stack
Next.js, MySQL, Twilio for text messages
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 Signup Radar. Parents sign up with email and phone and add activities with name, provider, registration link, open date and time, cost, age range and which child it is for (nickname only).

PROMPT 2 OF 3

Show a timeline of upcoming registration openings and a calendar view. Send Twilio text reminders a week before, a day before and fifteen minutes before registration opens, with the direct link. Let parents mark each as registered, waitlisted or skipped.

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PROMPT 3 OF 3

Add a shared family view so a partner gets the same reminders. Let parents paste a program web page and use an AI model to pull out dates and cost automatically. Add Stripe subscriptions.

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