Can AI build me a free meal planner app?
Yes. It can build a simple weekly planner where you drag in meals and get a combined grocery list, saved in your browser, instead of paying for a meal-planning app.
01Why bot
- A weekly grid plus a list generator is a small app.
- Browser storage keeps it free and private.
- Recipe imports and nutrition data are extra work.
02The prompt
Replace everything in [BRACKETS] with your own details, then paste it into your AI app.
You are a web developer. Build a weekly meal planner. Features: a Monday to Sunday grid, a saved list of my meals with ingredients, and an auto-combined grocery list grouped by store section. Requirements: - MUST be a single index.html file, mobile-first, saving data in the browser. - MUST combine duplicate ingredients on the grocery list. - Don't add features I didn't list. Then give me steps to publish it free and how to back up my data.
03Steps
- Run the prompt in an AI coding tool.
- Add 10 meals you make often.
- Plan a week and test the grocery list.
04What can go wrong
- Export your data now and then.
- Quantities may need manual tweaks.
05What to use
Claude, ChatGPT, Lovable or Replit.
06Our test run
Llama 3.3 70BSep 28, 2026Passed with a catch
Sample input we used: Sample weekly meal planner with fictional meals and ingredients, demonstrating local storage and auto‑combined grocery list.
- Provides a single index.html file
- Includes viewport meta for mobile‑first design
- Saves data in the browser using localStorage
- Combines duplicate ingredients on grocery list
- Does not add unrequested features
What came back (excerpt):
Your website will be available at `https://your-username.github.io/your-repo-name`.
The grocery list code does not correctly combine duplicates (ingredient property missing), so the duplicate‑combine requirement fails.
One run with an invented sample, checked against the prompt's own rules. Your results can differ; how we test.
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