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
GF Gluten Free Scanner & Map
Living Gluten-Free shouldn't mean living in fear.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 5.0
4 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.
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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 included17 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 GF Gluten Free Scanner & Map: 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 a user-generated content feature for adding new products.
Assumption to check: Limited product database may lead to missing items.
Validate with people who use this workflow before building.
Hypothesis 2
Improve location accuracy with user feedback mechanisms.
Assumption to check: Inaccurate location services can misguide users.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize API calls and caching for better performance.
Assumption to check: Occasional slow loading times for product details.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance filtering options with cuisine types and ratings.
Assumption to check: Few options for restaurant filtering.
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
Living Gluten-Free shouldn't mean living in fear. Welcome to GF, the all-in-one companion designed to bring joy and safety back to your diet. Whether you are Celiac, have a wheat allergy, or are simply gluten-sensitive, we help you navigate the world of food with confidence. Stop asking "Can I eat this?" and start enjoying your meals again. WHY CHOOSE GF? We combine the three essential tools every gluten-free person needs in one single app: 1. WORLDWIDE GF MAP & FINDER Don't stay home. Discover over 20,000+ gluten-friendly spots, restaurants, bakeries, and cafes. • Visual Indicators: Quickly spot dedicated gluten-free kitchens vs. shared facilities. • Filters: Search by Celiac-friendly, Pizzerias, Bakeries, and more. • Directions: Get there easily with one tap. 2. INSTANT AI SCANNER Decipher confusing food labels in seconds. Our smart scanner analyzes ingredients lists to detect: • Hidden gluten sources. • "May contain traces" warnings. • Wheat, barley, rye, and other allergens. Note: Perfect for grocery shopping and checking snacks. 3. RECIPES & MEAL PLANS Stuck in a food rut? Access hundreds of safe, delicious recipes tailored to your needs. From breakfast to dinner, never eat a boring meal again. BUILT FOR THE COMMUNITY Our database grows with you. Find spots added by the community and imported from trusted open sources. Help others by reviewing and verifying your favorite safe havens. FEATURES AT A GLANCE: Easy-to-use interface. Celiac & Allergy focused. Dark mode support. Save your favorite spots. DISCLAIMER This app is a tool to assist in identification but does not replace medical advice. While we strive for accuracy, ingredients and restaurant protocols can change. Always verify with the restaurant staff or manufacturer and carry your medication if prescribed. SUBSCRIPTION PRICING AND TERMS "Gluten Free" is free to download. To unlock all advanced features, we offer auto-renewing subscription options. Upgrade to Premium to receive immediate access to: Full Map Access: Unlimited access to our database of over 20,000 verified gluten-free restaurants and spots. Unlimited Smart Scanner: Scan barcodes without restrictions to instantly detect gluten, traces, or allergens. Recipes & Meal Plans: Full access to personalized recipes and meal plans that are continuously updated. Our subscription options: Monthly Plan: $4.99] / month. Yearly Plan: $29.99] / year. (Prices may vary by location). Legal Information: Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Download GF now and reclaim your food freedom! Privacy: https://nogluten.app/gluten-privacy/ Terms: https://nogluten.app/gluten-terms/
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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
Expo
React Navigation
Axios
React Native Maps
Zustand
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.
