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
Chopa Chef: Recipe Keeper
Chopa makes cooking and eating well effortless.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
18 ratings · Top 15%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included19 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 Chopa Chef: Recipe Keeper: 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
Implement social sharing features for users to share recipes easily.
Assumption to check: Limited recipe sharing options
Validate with people who use this workflow before building.
Hypothesis 2
Add a feature for users to plan meals and create shopping lists based on selected recipes.
Assumption to check: Lack of meal planning tools
Validate with people who use this workflow before building.
Hypothesis 3
Enable offline access for users to view saved recipes without internet.
Assumption to check: No offline access to saved recipes
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the navigation flow and provide onboarding for first-time users.
Assumption to check: Complex navigation for new users
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
Chopa makes cooking and eating well effortless. Save recipes from TikTok, Instagram, and YouTube, scan meals for calories, generate recipes from the products you have, and keep everything organized in one digital cookbook. SAVE & ORGANIZE - Import recipes from TikTok/Instagram/YouTube links - Create cookbooks and keep favorites in one place - Search your collection anytime SCAN & GENERATE - Scan products with your camera (or enter ingredients manually) - Generate recipe ideas based on what you have - Scan meals to estimate calories and nutrients, then log them PLAN & SHOP - Plan meals in a simple calendar - Turn recipes into a grocery list in seconds - Add ingredients from your meal plan to groceries with one tap NUTRITION, SIMPLIFIED - Set nutrition goals (calories, protein, carbs, fat) - Track daily progress, history, and macro balance COOK WITH CONFIDENCE - Clear, step-by-step instructions - Scale servings and keep the screen awake while you cook Some features may require a subscription. Details are available in the app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
Zustand
axios
react-navigation
BUILD KIT DIFFICULTY
Advanced
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.
