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
Quantum Powered Lotto Numbers
The ultimate lottery number chooser -- it uses quantum physics! There is no more random process known to mankind than quantum physics
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.3
3 ratings · Below Average
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 included14 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 Quantum Powered Lotto Numbers: map the core Entertainment 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 features like number analysis, predictions, or user customization.
Assumption to check: Limited features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Ensure robust algorithms for reliable number generation.
Assumption to check: Inconsistent performance in number generation
Validate with people who use this workflow before building.
Hypothesis 3
Integrate sharing capabilities for users to share their generated numbers.
Assumption to check: No social sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Implement a feedback loop for continuous app improvement and feature updates.
Assumption to check: Lack of regular updates
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 ultimate lottery number chooser -- it uses quantum physics! There is no more random process known to mankind than quantum physics. Why is randomness so important? Because lottery numbers chosen by any other method are more likely to be chosen by other people as well. All possible lottery outcomes are equally likely, according to probability theory... but if you happen to win, you'll win more if nobody else played those exact same numbers! The "Quantum Powered Lotto Numbers" app will reach out via the internet to our actual quantum device, manufactured by the award-winning and government-certified company "ID-Quantique" in Geneva, Switzerland. Your lotto numbers will be chosen in a manner unmatchable by other lottery number apps, which all use "pseudo-random number generators," which are not at all random, and can fall into patterns. Choosing your own numbers also will fall into patterns... the only TRULY random numbers are derived from the behavior of quantum particles, which science has proven to be not just unpredictable, but literally not knowable by any process. The reasons for this conclusion are fascinating, but beyond the scope of this app description. (To learn more, Google "quantum behavior random") Currently set up to create numbers for the ten most popular lotteries in the United States, and more will be added as demand increases: Mega Millions, Powerball, Super Lotto Plus, Cash4Life, Fantasy 5, Lotto America, Lucky for Life, MA Megabucks, WI Megabucks, and OR Megabucks.
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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.
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BUILD KIT DIFFICULTY
Starter
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.
