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
LabelForge: Nutrition Facts
LabelForge turns your recipe into a US FDA-format Nutrition Facts panel you can export as a PDF or PNG — right on your iPhone, fully offline.
$9.99
PRICE
$9.99
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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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 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 LabelForge: Nutrition Facts: map the core Business 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
Allow users to choose colors, fonts, and layouts.
Assumption to check: Limited customization options for labels
Validate with people who use this workflow before building.
Hypothesis 2
Implement sharing options for users to collaborate on labels.
Assumption to check: No collaboration features
Validate with people who use this workflow before building.
Hypothesis 3
Provide a library of customizable templates.
Assumption to check: Lack of templates
Validate with people who use this workflow before building.
Hypothesis 4
Offer a free trial or lower entry price.
Assumption to check: High price point without trial
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
LabelForge turns your recipe into a US FDA-format Nutrition Facts panel you can export as a PDF or PNG — right on your iPhone, fully offline. Built for small food businesses: cottage-food bakers, Etsy sellers, and small CPG brands who need a real label without paying a monthly subscription. HOW IT WORKS - Add each ingredient with its nutrient values per 100 g (from your supplier spec sheet or a nutrient database) and the grams used. - Set servings per container and the serving size. - LabelForge sums the batch, divides per serving, and applies the FDA rounding rules automatically. - Preview the panel live and export a high-resolution PDF or PNG. DETERMINISTIC & COMPLIANT - Rounding follows 21 CFR 101.9(c): calories, fats, cholesterol, sodium, carbohydrates, fibers, sugars, added sugars, protein, and micronutrients. - % Daily Values use the 2016 FDA Daily Value table. - A built-in reference screen shows the exact rules and values used. PRIVATE BY DESIGN - No account, no network, no tracking. Everything stays on your device. - One-time purchase. No subscription, no ads. LabelForge is a drafting aid. You remain responsible for the final label; always verify against current FDA regulations before printing.
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
React Navigation
React Native Paper
Async Storage
BUILD KIT DIFFICULTY
Intermediate
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.
