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Mobile appsEasy1 weekendUnder $100Mobile app

Plant Thirst

A simple watering reminder for every houseplant, with a photo of each one.

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The idea

People with a shelf full of houseplants forget which ones they watered and when. This app gives each plant a photo card and its own watering schedule, sends a gentle reminder, and lets you log a watering with one tap.

Who it is for
Apartment dwellers with more plants than they can remember
How it makes money
One time unlock for unlimited plants
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 Plant Thirst. Start with a home screen of plant cards, each with a photo, name, room and days between watering.

PROMPT 2 OF 3

Add a Water Now button on each card that logs the date and resets its countdown. Schedule a local notification when a plant is due, and sort the home screen so the thirstiest plants show first.

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PROMPT 3 OF 3

Add a history view per plant, a vacation mode that lists which plants a friend needs to water and shares it as a text, and an in app purchase to unlock more than 10 plants.

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