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
Darts Checkout Scorer Pro
THE BIGGEST UPDATE YET IS HERE: PROFESSIONAL X01 SCORER!
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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 included15 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Darts Checkout Scorer Pro: map the core Sports 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
Incorporate social sharing and competition features.
Assumption to check: Limited user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Add modes for various dart games like 501 or Cricket.
Assumption to check: No support for different dart games
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize their scoring preferences and themes.
Assumption to check: Lack of user customization
Validate with people who use this workflow before building.
Hypothesis 4
Implement a tutorial for new users to understand how to use the app effectively.
Assumption to check: No tutorial or help section
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
THE BIGGEST UPDATE YET IS HERE: PROFESSIONAL X01 SCORER! Transform your darts game and dominate the oche, completely ad-free. Darts Checkout Scorer Pro has evolved from a training tool into the ultimate all-in-one darts companion. Whether you are tracking a match with friends or practicing your mental math, this premium app provides every tool you need. NEW: PROFESSIONAL X01 SCORER Turn your iPhone into a TV-style scoreboard. We’ve added a powerful, dedicated scorer designed for players who demand detail. - Flexible Match Setup: Play your way. Choose Sets & Legs or Open Legs. Customize starting scores (101 to 901), selecting "First to" or "Best of" formats. - Deep Match Statistics: Analyze your game like a pro. View detailed PDC-style stats including 3-dart averages, checkout percentages, trebleless visits, and more. - Group Play: Support for up to 8 players in a single match. - Match Timeline: Every throw is saved to a local database. Review previous matches and track your history over time. - Smart Keypad: A dedicated input interface designed for speed and accuracy during gameplay. MASTER YOUR FINISH & TRAINING Don't just score, improve. The app retains all the powerful training features that made it a favorite: - Smart Checkout Table: Instant access to the best finish routes with an intuitive search. - Math & Strategy Games: Sharpen your mental arithmetic with Subtraction and Addition games, or test your strategic knowledge with interactive checkout quizzes. APPLE WATCH COMPANION Keep your training tools on your wrist. Use the Apple Watch app to practice checkouts and play math games without needing your phone. (Note: X01 Scorer feature is currently exclusive to the iPhone and iPad apps). PREMIUM EXPERIENCE - Zero Ads: Focus on the game, not the distractions. - Stunning Design: A modern SwiftUI interface that looks beautiful in both Dark and Light modes. Whether you are a beginner learning the board or a seasoned player tracking averages, Darts Checkout Pro is the only app you need. Step up to the oche. Download now and start your journey to the perfect game!
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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
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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.
