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
The Celtic Dragon Tarot
Drawing on ancient legends and lore, D
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.9
37 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 The Celtic Dragon 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
Provide a broader range of interpretations and personalized readings.
Assumption to check: Limited card interpretations compared to other apps
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchase process and clearly explain the benefits of premium content.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Introduce forums or discussion boards for users to share experiences.
Assumption to check: Not enough community features
Validate with people who use this workflow before building.
Hypothesis 4
Focus on optimizing performance and conducting thorough testing.
Assumption to check: Occasional app crashes on specific devices
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
Drawing on ancient legends and lore, D. J. Conway has conjured a vivid, powerful realm in The Celtic Dragon Tarot. Artist Lisa Hunt’s brilliant watercolors bring dragons to life in all their glory. This deck reveals the myriad roles and forms dragons take, with exquisite attention to detail in both cards and book. D.J.’s extensive guidebook is faithful to both Tarot and dragonology. This deck has remained popular for more than fifteen years because of its power and beauty. The Celtic Dragon Tarot is still the very best Tarot for dragon lovers! *Intuitive, elegant interface is easy for beginners and experts *Gorgeous full screen, high-resolution card images *Full support for iOS 8 and all iOS devices, including the iPhone 6 *Sophisticated journal *Includes full and unabridged book *21 spreads built in *Design your own layout with Free Form *Allow reversed cards or not *Option to use Major Arcana only *Zoom in to enlarge card details *Share reading via Facebook (iOS 6+), email and Twitter (iOS 5+) *Animated shuffle & cut *Optional voice prompts *Customize with your own card meanings & reading cloths *Many adjustable settings *Book and card meanings available in English only Bask in the fiery glow of The Celtic Dragon Tarot!
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
react-navigation
axios
react-native-async-storage
shadcn/ui
BUILD KIT DIFFICULTY
Starter
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.
