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
Cholesterol AI Nutritionist
Limited-Time Offer · One-Time Purchase Only
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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's included14 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 Cholesterol AI Nutritionist: map the core Health & Fitness 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 a barcode scanner for easy food logging.
Assumption to check: Many users find it hard to track their dietary intake accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Provide AI-generated meal plans based on user preferences.
Assumption to check: Users often struggle with meal planning that meets their specific cholesterol needs.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce gamification features to encourage users to meet their goals.
Assumption to check: Lack of motivation due to insufficient tracking of progress.
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate detailed nutritional information and tips for each meal.
Assumption to check: Difficulty in understanding the nutritional content of meals.
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
Limited-Time Offer · One-Time Purchase Only No subscriptions. No recurring charges. Protect your heart through informed, balanced nutrition and lifestyle choices. Cholesterol AI Nutritionist is an educational, supportive app designed to help you understand cholesterol and build heart-healthy habits without fear, shame, or extreme diets. Cholesterol levels are influenced by everyday factors such as food quality, fiber intake, fat types, physical activity, sleep, stress, and daily routines. This app helps you understand these influences in a calm, practical way that fits real life. How This App Supports You Clear, patient-friendly explanations of cholesterol labs (LDL, HDL, triglycerides, total cholesterol) Nutrition guidance focused on fiber-rich foods and healthy fats Plant-forward meal ideas that are realistic and sustainable Lifestyle support for movement, sleep consistency, and stress awareness Non-judgmental guidance that emphasizes progress over perfection What You Won’t Find Here No medical diagnoses or treatment plans No medication or supplement recommendations No crash diets, extreme restrictions, or fear-based advice This app is designed to help you feel informed, supported, and empowered so you can protect your heart through consistent, everyday choices. Disclaimer This app is for educational purposes only and does not provide medical advice. It does not diagnose, treat, cure, or prevent any condition. It is not a substitute for professional medical care. Always consult a qualified healthcare professional for medical guidance.
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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-native-chart-kit
react-navigation
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.
