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Mobile appsEasy1 weekendUnder $100Mobile appWeekend build

Park Spot Saver

Save where you parked with one tap and get alerts before the meter runs out.

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The idea

A tiny app that pins your car location, takes a photo of the level or street sign, and counts down your meter or garage time. It sends a reminder before time is up and walks you back with a map link.

Who it is for
City drivers who use street meters and big garages
How it makes money
One time unlock for extra features
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 Park Spot Saver. Start with one home screen with a big Save My Spot button that stores the current GPS location, time, and an optional photo and note (like level 3, row F).

PROMPT 2 OF 3

Add a meter timer: pick minutes paid and schedule a local notification 10 minutes before and at expiry. Show the saved spot on a map with a Walk Back button that opens directions, and keep a history of the last 20 spots.

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PROMPT 3 OF 3

Add a paid unlock using in app purchase that enables multiple cars and a home screen widget, and a share spot link to text the location to a friend.

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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 Park Spot SaverEvery step spelled out for this idea, with the exact prompts to paste into your AI.
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