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
ShowTool Swatch
ShowTool Swatch brings your gel swatch book to life
$5.99 · In-app purchases
PRICE
$5.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
3 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 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 ShowTool Swatch: map the core Reference 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
Offer a wider range of color picker options and palettes.
Assumption to check: Limited color options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement sharing options for swatches via social media or links.
Assumption to check: No sharing functionality
Validate with people who use this workflow before building.
Hypothesis 3
Provide clear explanations of the benefits of in-app purchases upfront.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Introduce user accounts for collaborative swatch creation.
Assumption to check: No collaboration 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
ShowTool Swatch brings your gel swatch book to life. It's the easiest and most beautiful way of viewing the information most important to you, helping you to make the right decisions when time matters. Share your ideas with friends or send orders straight to your local dealer. GEL INFORMATION ShowTool Swatch comes fully stocked with catalogues for Lee, Rosco, Gam and Apollo with updates as new gels are added. Browse gels by manufacturer and range or search for a specific colour by name or number. Gels can be sorted by number or in catalogue order just like your old swatch book. Gels are presented with the information you need most including name, number, transmission and RGB/CMY values along with a Spectral Energy Distribution graph and preview of the colour. View and compare similar or complementary colours for those times when you've run out of your favourite colour or can't quite get the look you want. MY STUFF Mark your favourite gels for quick and easy access or simply view a list of your most recently viewed gels. Notes can be added to each gel for when you just need a little reminder. Collections provide a great way to group gels for a particular show or anything else that takes your fancy. CATEGORIES ShowTool Swatch comes complete with a selection of gel categories such as ‘Sunsets’ or ‘Moonlight’, great for those times when you need a little inspiration. GEL MATCHING Use the superbly simple colour picker to find possible gel matches when you know the colour you want but can't remember it's number. Ever see the perfect colour when you're out in the real world?! ShowTool Swatch has the answer with its exclusive photo-matching tool. Simply take a photo or use an existing one and see a great selection of gels that match your photo. SHOP ShowTool Swatch comes complete with a comprehensive selection of dealers from across the US, UK and Europe for when you needed that gel yesterday! Create orders from existing collections and send a quote request directly from the app. SUPPORT Support for iPhone, iPad and iPod touch running iOS 10 and up.
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
Supabase
Zustand
React Navigation
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.
