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
MyAllergenCard
MyAllergenCard creates a visual allergy card on your phone with pictogram icons and bilingual text, designed to be handed to a waiter or chef so they understand exactly what you can't eat.
$0.99
PRICE
$0.99
No 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 included15 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 MyAllergenCard: 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 an intuitive categorization or search feature for easier management.
Assumption to check: Users often find it difficult to manage multiple allergen cards.
Validate with people who use this workflow before building.
Hypothesis 2
Provide a variety of templates and customization options for users.
Assumption to check: Limited customization options for card designs.
Validate with people who use this workflow before building.
Hypothesis 3
Enable offline access to stored cards for convenience.
Assumption to check: No offline access to allergen information.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate with health apps to provide alerts for allergens.
Assumption to check: Lack of integration with health apps for alerts.
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
MyAllergenCard creates a visual allergy card on your phone with pictogram icons and bilingual text, designed to be handed to a waiter or chef so they understand exactly what you can't eat. CLEAR COMMUNICATION • Bold allergen icons with prohibition symbols • Bilingual labels — your language on top, the local language below • Red "Food Allergy Alert" banner translated into the selected language • Designed to be understood at a glance, even across language barriers 36 LANGUAGES English, Chinese, Spanish, Arabic, French, Portuguese, Russian, Indonesian, German, Japanese, Korean, Turkish, Italian, Thai, Vietnamese, Hindi, Malay, Tagalog, Punjabi, Polish, Ukrainian, Dutch, Romanian, Greek, Czech, Swedish, Bulgarian, Croatian, Danish, Finnish, Slovak, Norwegian, Lithuanian, Albanian, Macedonian, and Slovenian. ALL MAJOR ALLERGENS Milk/Dairy, Eggs, Peanuts, Tree Nuts, Fish, Shellfish, Wheat, Soy, Sesame, and Gluten — plus individual tree nut options (almonds, cashews, walnuts, pistachios, hazelnuts, pecans, macadamia, and brazil nuts). DIETARY PREFERENCES Mark yourself as vegan or vegetarian with distinct green icons. TREE NUT SPECIFICITY Allergic to tree nuts but not almonds? Select your exceptions — the card shows a clear "No Allergy" note for the nuts you can eat. WORKS OFFLINE No internet needed. All data stays on your device. No accounts, no tracking, no ads. OPTIMIZED FOR RESTAURANTS • Full-screen card in both portrait and landscape • Designed to be handed directly to staff • Switch secondary language instantly with one tap
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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
Supabase
Zustand
@react-navigation/native
expo-image-picker
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.
