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
Migraine Food Checker: Zen
Food choices can feel harder when a migraine attack is building.
$6.99 · In-app purchases
PRICE
$6.99
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.
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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 included16 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 Migraine Food Checker: Zen: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Food choices can feel harder when a migraine attack is building. Migraine Food Checker helps you review a meal photo or packaged-food label before eating, without pretending every food affects everyone the same way. Photograph a meal, scan a barcode or ingredient label, or import an existing photo. Review what the app recognized, correct uncertain evidence when needed, and receive cautious migraine-aware guidance for your current phase. CHECK MORE THAN A BARCODE • Photograph a meal to identify visible foods • Scan package labels with OCR and barcode lookup • Import existing meal or ingredient-list photos • Review recognized foods and ingredients before analysis GUIDANCE FOR EACH MIGRAINE PHASE Choose the context that matches your day: • Daily • Premonitory • Attack • Postdrome Each consultation explains the result through a clear summary, reasons, practical suggestions, and relevant scientific context. TRANSPARENT BY DESIGN Recognition is shown before consultation rather than hidden behind a final score. You can review uncertain evidence and correct what the app detected. MigraineFoodZen also preserves the source of recognized information, including label text, barcode data, visual recognition, and user confirmation. CALM, SIMPLE OWNERSHIP • No account required • No subscription • One-time purchase • Scan history saved on your device • Reopen previous checks whenever needed Privacy Policy: https://shorturl.at/3zG9X Terms of Use: https://shorturl.at/cbcN7 Food and ingredient associations vary significantly between individuals. MigraineFoodZen provides informational support and does not diagnose conditions, identify confirmed personal triggers, or replace professional medical advice.
Written user reviews are not shown here. Check current App Store reviews >
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 user-generated food submission and community contributions.
Assumption to check: Limited food database for scanning.
Validate with people who use this workflow before building.
Hypothesis 2
Add machine learning to suggest foods based on user preferences.
Assumption to check: Lack of personalized recommendations.
Validate with people who use this workflow before building.
Hypothesis 3
Include a social platform for users to share their food logs and tips.
Assumption to check: No social features for sharing experiences.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a freemium model to attract more users.
Assumption to check: High price point with no free trial.
Validate with people who use this workflow before building.
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
Zustand
react-navigation
expo-camera
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.
