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
AllergySpeak - Travel Allergy
AllergySpeak is the essential food allergy travel companion for travelers with food allergies visiting any of 33 countries worldwide.
$19.99 · In-app purchases
PRICE
$19.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
6 ratings · Top 5%
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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Combine features and design from your favorite apps.
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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 AllergySpeak - Travel Allergy: map the core Travel 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 more detailed customization options for allergy management.
Assumption to check: Limited customization for user allergies.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the subscription process with clearer prompts.
Assumption to check: In-app purchase process can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Include offline access to saved allergies and favorite places.
Assumption to check: Lack of offline functionality.
Validate with people who use this workflow before building.
Hypothesis 4
Add a community section for users to share tips and experiences.
Assumption to check: No community features for sharing experiences.
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
AllergySpeak is the essential food allergy travel companion for travelers with food allergies visiting any of 33 countries worldwide. INSTANT TRANSLATION (23 LANGUAGES) Translate your food allergies into 23 languages including Japanese, French, Spanish, Portuguese, German, Italian, Arabic, and more. Show restaurant staff your allergen warning card with emergency phrases and voice playback. PHOTO INGREDIENT ANALYZER Scan ingredient lists in any language using AI-powered photo analysis. Get instant allergen warnings for peanut allergy, tree nut allergy, shellfish allergy, gluten free needs, dairy allergy, egg allergy, soy allergy, corn allergy, coconut allergy, and more. TRAVEL SAFETY FEATURES • Local food warnings for 990+ dishes across 33 countries • Emergency phrases with voice playback in local language • QR code shareable allergy cards for restaurant communication • Medical information translator for healthcare emergencies • Offline mode for 30-day access without internet • Cross-contamination warnings and safe alternatives SEVERITY TRACKING Track life-threatening allergies, severe allergies, and moderate sensitivities with color-coded severity levels. Manage up to 5 family member profiles. SUPPORTED ALLERGENS Track 18 common allergens: Peanuts, Tree Nuts, Pine Nuts, Shellfish, Fish, Milk/Dairy, Eggs, Soy, Wheat/Gluten, Sesame, Mustard, Celery, Sulfites, Corn/Maize, Coconut, Buckwheat, Legumes, and Lupin. CUSTOM ALLERGENS Add any ingredient or allergen not on our list -- including Maltodextrin, Mango, food dyes, specific spices, or rare proteins. Smart autocomplete suggests common ingredients as you type to prevent misspellings. Custom allergens work seamlessly with the photo analyzer, translations, and emergency cards. DESTINATIONS SUPPORTED Travel with confidence to France, Japan, Italy, Spain, Brazil, Germany, Thailand, China, Mexico, and 24+ more countries. PERFECT FOR • International travelers with food allergies • Parents traveling with allergic children • Business travelers with dietary restrictions • Study abroad students with allergies • Gluten free and celiac travelers • Families managing rare or uncommon allergies • Vegan travelers avoiding allergens ACCESSIBILITY FEATURES Dark mode support, text size controls, screen reader optimization, WCAG AA compliant design. MEDICAL DISCLAIMER AllergySpeak provides translation and information tools only. It is not a substitute for medical advice, diagnosis, or treatment. Always carry prescribed medication (EpiPen) and consult healthcare professionals for medical decisions. Download AllergySpeak today and travel the world safely with food allergies.
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
Axios
React Navigation
React Native Paper
Async Storage
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.
