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
Bowling Hero
No additional equipment is required besides your Apple Watch or iPhone
$2.19 · In-app purchases
PRICE
$2.19
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Add to a Remix
Combine features and design from your favorite apps.
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Make it yours Optional
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
Preview a sample Build Kit No email needed
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 Bowling Hero: 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 more varied game modes and challenges.
Assumption to check: Limited game modes can become repetitive.
Validate with people who use this workflow before building.
Hypothesis 2
Enable real-time multiplayer games and social sharing.
Assumption to check: Lack of social features or multiplayer options.
Validate with people who use this workflow before building.
Hypothesis 3
Offer more valuable premium features to enhance user experience.
Assumption to check: Premium features may not justify the cost.
Validate with people who use this workflow before building.
Hypothesis 4
Create a comprehensive tutorial to guide new users through gameplay.
Assumption to check: Poor onboarding experience may lead to confusion.
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
No additional equipment is required besides your Apple Watch or iPhone. The limitless space is your playground. Start your sports and fitness journey now! The new motion sensing bowling ball game is here! Do you want to enjoy a real bowling alley-like experience at home? Come and try our new 3D Unity bowling game! Using advanced physics engines and motion capture technology, we have created an unprecedented real bowling experience, Delicate and precise motion control allows you to enjoy bowling without leaving home! Supports single-player training, battle with AI, 2-player match modes, and global ranking. Invite your friends and family members to join in this bowling match. Access to HealthKit, Motion and Fitness and Game Center, Sports performance and body data digitization and visualization, Every throw is counted in your exercise ring. Download "Bowling Hero" on the Apple App Store Now, Start your motion-driven bowling journey at home! Join us, and share wonderful moments with your friends! Presented by BoneX Sports @ Professional, inexpensive, convenient, fun and portable Sports and Fitness App + Physical health data and sports data real-time online support Note: Designed for iPhone. ‘Bowling Hero’ support list of iPhone starts with iPhone XS / iPhone XS Max (not including iPhone X and iPhone XR) to the latest version of iPhone, support list of Apple Watch starts with Series 4 (including Series 4) to the latest version of Apple Watch. Please confirm prior to the purchase.
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
Axios
React Navigation
Zustand
react-native-gesture-handler
BUILD KIT DIFFICULTY
Advanced
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.
