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
Palette Hunt: Color Picker
A color worth saving can be anywhere
$5.99 · In-app purchases
PRICE
$5.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
31 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.
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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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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 Palette Hunt: Color Picker: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
A color worth saving can be anywhere. Capture it with Palette Hunt and turn your photo into a palette, a poster, or a color study. FROM PHOTO TO PALETTE Take a photo or choose one from your library. Extract 3–8 colors, zoom in to sample a shade, fine-tune HEX values, and rearrange your swatches. Start with one of 35 curated palettes when you need inspiration. MAKE A POSTER Explore 10 poster templates built around color and typography. Edit every text element, choose a type style, and add simple shapes. Move, resize, rotate and arrange elements, with layers and undo to keep you in control. KEEP THE PHOTO IN THE PICTURE Place your palette over the original composition as a color strip, circles, or a HEX card. Adjust its size and position, then save a new image to Photos or share it. TAKE YOUR WORK WITH YOU Export posters as PNG, PDF or SVG. Export palettes as Swatches, ACO, ASE, CSS, JSON or HEX text. Use the system share sheet to save to Files or send to compatible apps. Save projects in named collections and return to your ideas later. Photo processing happens on your device, with no account required. Designed for iPhone and iPad, with layouts that adapt to iPhone Duo. App interface: English, Russian, German and Spanish.
Written user reviews are not shown here. Check current App Store reviews >
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 direct sharing features via social media.
Assumption to check: Limited palette sharing options with friends
Validate with people who use this workflow before building.
Hypothesis 2
Include tutorials on color theory and palette creation.
Assumption to check: Lack of color theory resources
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to create and save palettes without internet.
Assumption to check: No offline mode
Validate with people who use this workflow before building.
Hypothesis 4
Add features to customize palette layouts and themes.
Assumption to check: Few customization options for palettes
Validate with people who use this workflow before building.
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
Supabase
TypeScript
Redux
React Navigation
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.
