Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Smart Chef - Cooking Helper
A must have for the home chef! The Smart Chef Suite combines a kitchen calculator, a cooking dictionary and a food substitute finder, all into one app for the iPad! Here's what's included:
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.8
5 ratings · Top 50%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Smart Chef - Cooking Helper: map the core Food & Drink workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Allow users to submit their own recipes and customize their meal plans.
Assumption to check: Limited recipe variety and personalization options
Validate with people who use this workflow before building.
Hypothesis 2
Integrate sharing options to allow users to share recipes on social media.
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Implement advanced search filters for better recipe discovery.
Assumption to check: Inadequate search functionality
Validate with people who use this workflow before building.
Hypothesis 4
Add user reviews and ratings for recipes to enhance community engagement.
Assumption to check: Lack of user engagement features
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
A must have for the home chef! The Smart Chef Suite combines a kitchen calculator, a cooking dictionary and a food substitute finder, all into one app for the iPad! Here's what's included: Smart Chef Conversions A kitchen calculator for converting English and Metric measurements of volume, weight, and temperature! Volume and Weight Units converted in this app: Teaspoon Tablespoon Fluid Ounce Gill Cup Pint Quart Gallon Cubic Inch Teasppon UK Tablespoon UK Fluid Ounce UK Gill UK Pint UK Quart UK Gallon UK Milliliter Liter Pounds Ounces Milligrams Grams Kilograms Stones Smart Chef Definitions With over 1000 cooking terms that are commonly used in recipes and instructions, no recipe will intimidate you again! Smart Chef Substitutions When you run out of an ingredient in the kitchen, don't panic! With over 400 food substitutions you can find an ingredient you already have and save a trip to the store! 300 Substitutions in the following categories: -Gluten Free - Cooking - Baking - Dairy - Herbs - Vegetables - Spices - Alcohol - Dessert - Miscellaneous Quickly find your missing ingredient with the scroll wheel. Click on the "SELECT" button and view your substitute options immediately! Smart Chef has been the favorite of home cooks since it was first released in 2009! Thanks for your support!
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Supabase
React Navigation
React Native Elements
TypeScript
BUILD KIT DIFFICULTY
Starter
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
