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
HueMate – Color Extractor
HueMate – Color Extractor is a powerful yet simple color palette creator that helps you extract beautiful color combinations from any image
$0.99 · In-app purchases
PRICE
$0.99
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.
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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 included15 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 HueMate – Color Extractor: map the core Graphics & Design 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
Support more image formats like SVG and GIF.
Assumption to check: Limited image formats supported for color extraction
Validate with people who use this workflow before building.
Hypothesis 2
Implement one-click sharing options to improve usability.
Assumption to check: Difficulty in saving and sharing palettes
Validate with people who use this workflow before building.
Hypothesis 3
Enable users to collaborate on palette creation.
Assumption to check: No collaborative features for palette creation
Validate with people who use this workflow before building.
Hypothesis 4
Add a community section for users to share and discover palettes.
Assumption to check: Lack of community features
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
HueMate – Color Extractor is a powerful yet simple color palette creator that helps you extract beautiful color combinations from any image. Perfect for designers, artists, photographers, and anyone who loves colors. EXTRACT COLORS FROM IMAGES • Instantly generate color palettes from your photos • Capture images directly with the camera • Choose from your photo library • Adjust the number of colors in each palette ORGANIZE YOUR PALETTES • Save unlimited color palettes • Name and organize your collections • View all your palettes in one place • Delete or edit palettes as needed COLOR INFORMATION • View HEX color codes • See RGB values for each color • Copy color codes with a single tap • Share palettes with friends and colleagues INTUITIVE INTERFACE • Clean, modern design • Easy-to-use controls • Beautiful animations • Dark mode support Whether you're a professional designer looking for color inspiration or just someone who appreciates beautiful color combinations, HueMate is the perfect companion for all your color needs. Download HueMate – Color Extractor today and start creating stunning color palettes from the world around you!
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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
Zustand
react-navigation
expo-image-picker
react-native-color-picker
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.
