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
Natural Layers
Natural Layers is the #1 Wholesale Raw & Virgin Hair Factory with 100% Raw and Virgin Human Hair
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 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 included14 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 Natural Layers: map the core Shopping 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 advanced search filters and recommendations.
Assumption to check: Limited product discovery features
Validate with people who use this workflow before building.
Hypothesis 2
Enhance product detail pages with more information and user-generated content.
Assumption to check: Lack of detailed product information
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the payment process with Apple Pay and saved payment options.
Assumption to check: Difficulties in managing payment methods
Validate with people who use this workflow before building.
Hypothesis 4
Introduce personalized recommendations based on user behavior.
Assumption to check: No personalized experience
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
Natural Layers is the #1 Wholesale Raw & Virgin Hair Factory with 100% Raw and Virgin Human Hair. We are a premium hair manufacturer in Southeast Asia, providing top-quality hair products and services to distributors, vendors, salons, and online store owners around the world. We supply top quality hair products at the best price with extraordinary customer service and provide turn-key business solutions to beauty professionals and entrepreneurs. We offer multiple textures to achieve a seamless, natural look for everyone to enjoy. With such inherent diversity, Natural Layers Hair doesn’t need to undergo chemical treatment or chemical processing to offer an array of head-turning textures and looks. Natural Layers Hair has absolutely NO synthetic fibers, NO animal hair, and NO foul smell! We uphold a very high standard on the type of hair that we source. Our Factory: *Premium quality products with factory-direct prices. *Hair Business Packages - helping you get started easily and start making money! *Fast shipping guarantees no delay for clients appointments *We provide premium hair extensions to wholesalers, distributors, retailers, beauty or hair salons, online stores, and hairstylists around the world. *We sell on Amazon, Facebook, IG, and Website. Follow us Instagram.com/yournaturallayers https://yournaturallayers.com/ facebooks.com/yournaturallayers.com
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
Redux
Axios
react-native-reanimated
expo-router
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.
