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
Video Game Quiz
Video Game Quiz lets you explore, track, and test your knowledge of over 10,000 Video Games.
$1.99 · In-app purchases
PRICE
$1.99
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.
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Combine features and design from your favorite apps.
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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 included14 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 Video Game Quiz: map the core Reference 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
Add user-generated content and community-created quizzes.
Assumption to check: Limited variety of quizzes
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate sharing features to allow users to challenge friends.
Assumption to check: No social sharing options
Validate with people who use this workflow before building.
Hypothesis 3
Introduce achievements, leaderboards, and rewards for completing quizzes.
Assumption to check: Lack of engagement features
Validate with people who use this workflow before building.
Hypothesis 4
Implement a regular content update schedule for quizzes.
Assumption to check: Inconsistent updates to quiz content
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
Video Game Quiz lets you explore, track, and test your knowledge of over 10,000 Video Games. Whether you want to research your favourite games, keep a personal backlog, or challenge yourself with quizzes, this app has it all — and your data stays completely private on your device. Quiz Yourself Test your Video Game knowledge in three exciting game modes: Time Trial Race against the clock! Pick a time limit (1, 2, 3, or 5 minutes) and answer as many questions as possible. Endless Mode Answer questions continuously. Too many wrong answers will end your streak… unless you enable No Limit Mode for a stress-free experience. Normal Mode Play at your own pace with a fixed number of questions per round. Each mode allows you to: Adjust difficulty levels Choose question types, such as: Systems groups like Retro, Nintendo, Sega, Sony and Xbox Filter the games questions by release decade so that you can get quizzed on Classic games or the latest games. your choise Select the types of questions so you can really tune the quiz to your likes needs Discover Games Your Way Browse by Popular Genres, Developers, publisher, or System Filter shows by: Favorites Rated Games Backlog Notes Build Streaks Stay motivated by playing daily! Track your streaks Challenge yourself to keep them alive Compete against your personal best Privacy Comes First Video Game Quiz is privacy-focused by design: No accounts or sign-ups No personal data tracking No analytics tied to identity No cloud storage or servers Everything stays on your device — your data, notes, and history belong to you.
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 Navigation
Expo
Zustand
Supabase
React Native Reanimated
Tailwind CSS
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.
