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
My Bowling Scoreboard Ultra
Join the bowling revolution with our innovative app designed for bowling enthusiasts! Whether you're a casual bowler or a serious competitor, this app allows you to effortlessly record scores and analyze your performa...
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.4
62 ratings · Top 30%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 My Bowling Scoreboard Ultra: 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
Introduce customizable scoring rules and statistics.
Assumption to check: Limited score tracking options for advanced players
Validate with people who use this workflow before building.
Hypothesis 2
Add functionality to share scores via social media.
Assumption to check: No sharing options for game results
Validate with people who use this workflow before building.
Hypothesis 3
Implement a more cohesive design system for better usability.
Assumption to check: Inconsistent user interface design
Validate with people who use this workflow before building.
Hypothesis 4
Create features to manage tournaments and league standings.
Assumption to check: Lack of support for tournaments or leagues
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
Join the bowling revolution with our innovative app designed for bowling enthusiasts! Whether you're a casual bowler or a serious competitor, this app allows you to effortlessly record scores and analyze your performance such as strikes/spares. Dive deep into your stats and improve your game! Features * Record bowling score or bowling pin location * Retrieve score or bowling pin location * Show statistic of the score, strike, bowling pin location * Data comparison * Export history record to CSV (Excel), PDF, xlsx files * Support 2 bowlers * Support English, German, French, Italian, Spanish, Portuguese and Chinese * One-time purchase, no subscription required * No sign-up needed, all data is stored locally Pro version Feature * No subscription (One-time purchase) * Editing scores, bowling pin locations in history * NO limitation number of history records * Score sheet printing * Support leaderboard Ultra version Feature * No subscription (One-time purchase) * Export history records to xlsx files * Pin filter in statistics * Support bowler's icon * Support oil pattern * Support handicap * Support no-tap * Support achievement * No limitation of number of bowlers Excel is registered trademark of Microsoft Corporation. All other trade names mentioned are trademarks or registered trademarks of their respective holders.
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
Zustand
AsyncStorage
React Navigation
React Native Paper
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.
