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
Tarot!
Pamela Colman Smith’s transcendent art has defined the Tarot in the English-speaking world for over 100 years
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.9
1,653 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 included16 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 Tarot!: map the core Entertainment 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 more free decks or readings to engage users.
Assumption to check: Limited free content and features.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify navigation and reduce on-screen elements.
Assumption to check: Some users find the app interface cluttered.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce social sharing options for readings.
Assumption to check: Lack of community features.
Validate with people who use this workflow before building.
Hypothesis 4
Provide clearer explanations and benefits for premium content.
Assumption to check: In-app purchases can be confusing.
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
Pamela Colman Smith’s transcendent art has defined the Tarot in the English-speaking world for over 100 years. Now explore our radiant digital restoration of The Classic 1910 Tarot Cards conceived by A. E. Waite and illustrated by Pamela Colman Smith. You will see the images as never before, each card vibrant and pristine. Zoom in on details to see every nuance of the deck! Discover the original colors, as they came hot off the press in 1910! This app includes three unabridged books: a modern guide to the cards, and two classic works of occultism written at the time of the deck’s release. The original guidebook, The Pictorial Key to the Tarot, by A. E. Waite is within the app, as well as The Tarot, by S. L. MacGregor Mathers. Learning Tarot has never been easier, or more intuitive! *Intuitive, elegant interface is easy for beginners and experts *Sumptuous full screen, high-resolution card images *Full support for all current iOS devices *Includes three complete books: The Concise Tarot Reader by Janet Farrar and Gavin Bone, The Tarot by S. L. MacGregor Mathers, and the original guide to the deck, The Pictorial Key to the Tarot by A. E. Waite. *21 built-in card layouts *Free form layout option *Sophisticated Journal *Many adjustable settings *Allow reversed cards or not *Option to use Major Arcana only *Zoom in to enlarge card details *Share reading via email, Facebook and Twitter *Animated shuffle & cut *Adjustable voice prompts *Customize with your own card meanings & reading cloths *Books and card meanings available in English only The Oracle of the Tarot speaks eloquently through this classic deck. Ask about tomorrow today!
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
TypeScript
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.
