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
Sherwin-Williams Color Expert™
Find the perfect palette with the Sherwin-Williams Color Expert™ app
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
6,720 ratings · Top 15%
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 Sherwin-Williams Color Expert™: map the core Lifestyle 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 algorithms for better color recognition.
Assumption to check: Limited color matching accuracy compared to physical samples
Validate with people who use this workflow before building.
Hypothesis 2
Provide clear explanations or demos of premium features.
Assumption to check: In-app purchases may confuse users
Validate with people who use this workflow before building.
Hypothesis 3
Add functionality to share color palettes on social media.
Assumption to check: No social sharing options for palettes
Validate with people who use this workflow before building.
Hypothesis 4
Optimize data management for faster loading and rendering.
Assumption to check: Slow loading times for large palettes
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
Find the perfect palette with the Sherwin-Williams Color Expert™ app. Take the guesswork out of choosing the right paint color for your next project. Color Expert is your tool for finding the perfect color and transforming your space with confidence. Dive into a world of endless possibilities and visualize color like never before. *Sample ordering is currently only available in the U.S. and Canada (excluding Quebec). Key Features Designed for You: COLOR VISUALIZER Our color visualizer lets you explore and visualize colors in your space instantly. Snap a photo of your space and see our colors on your walls with any Sherwin-Williams® color. See how a new shade will look in and around your home before you lift a brush, this intuitive color visualizer helps you gain color confidence. PERSONAL COLOR RECOMMENDATION TOOL Overwhelmed by the endless color possibilities or unsure where to begin? Let our intelligent color recommendation tool simplify the process. Simply snap a picture of your space, and our app will analyze it to provide complementary colors that enhance your home's aesthetic. SAVE & PLAN Found your perfect shade? Save your favorite colors for future projects with ease. Experience your chosen color in your space before you commit by ordering samples directly through the app. Your color journey from inspiration to application is made simple. EXPLORE & DISCOVER Browse our extensive collection of Sherwin-Williams® colors by family, collection, or trend. Find inspiration and discover new favorites with ease. ORDER COLOR CHIPS & PEEL & STICKS* Love a color you see? Order physical color chips and peel & sticks directly from the app, delivered right to your home. This is your chance to experience how a color can look in your home's unique lighting conditions before you commit. Whether you're planning a full home renovation, a quick room refresh, or an interior design update, Color Expert provides the inspiration you need. We help your ideal paint color come to life, and make your color journey exciting. Be your own color expert and download the app today to start your home transformation and gain color confidence. *Sample ordering is currently only available in the U.S. and Canada (excluding Quebec).
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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
React Navigation
@react-native-async-storage/async-storage
expo-camera
react-native-reanimated
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.
