App Overview

Darts Checkout Scorer Pro icon

Darts Checkout Scorer Pro

Zoltan Vinkler · Sports

Score X01 matches, find the best checkout in a second, and train the mental math that wins legs

$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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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.

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.

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

> SELECT BUILD PLATFORM:

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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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

Score X01 matches, find the best checkout in a second, and train the mental math that wins legs. Darts Checkout Scorer Pro does it all on iPhone, iPad and Apple Watch, without a single ad. NEW IN 5.2 • Make checkouts yours: press and hold any score to add your own routes, hide the ones you never throw and drag the rest into your order. • Checkout badges: tag finishes as SAFE, RISKY, ODD or FAV, or create your own, so your go-to routes stand out. • Landscape: turn your iPhone for layouts made for the wide screen, with an orientation lock and a left or right numpad. • iCloud sync: your routes and badges follow you to your iPad and Apple Watch. X01 SCORER • 101 to 901, Sets and Legs or Open Legs, First to or Best of. • Straight, Double or Master In, and Straight, Double or Master Out. • Up to 8 players, with starts alternating by leg and set. • A fast darts keypad with undo and redo for every dart. • Every dart is saved, so you can pause a match and pick it up later. MATCH STATS • 3-dart and first 9 averages for the leg, the set and the match. • Checkout percentage, highest finish and 100+ finishes. • 100+, 140+ and 180 counts, plus trebleless visits. • A visit-by-visit timeline of every leg. CHECKOUTS • The best routes for every finish up to 170, with alternatives. • No checkout? See the setup shot and the double it leaves. • Missed your target? Enter what you hit to get your new score and route. TRAINING GAMES • Checkout Quiz: pick the right route before your lives run out. • Subtraction and Addition: count down and add up darts in your head, with 2 or 3 numbers. APPLE WATCH Turn the Digital Crown to find any checkout, work out a new route after a miss, and play the training games on your wrist. The X01 scorer is on iPhone and iPad. Your matches stay on your device. Dark and light mode included.

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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.

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.

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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.