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.
Number Match is an addictive puzzle game with simple rules: match pairs and clear the board to succeed
Free · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Number Match - Numbers Game: map the core Games workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited gameplay variety leads to repetitive experience.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Ads can interrupt gameplay.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty balancing challenges for different skill levels.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of social features for sharing progress.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Number Match is an addictive puzzle game with simple rules: match pairs and clear the board to succeed. Playing Number Match is a useful pastime for your brain. Train your logic and concentration skills, and try to beat your high score! Try a mobile version of the pen and paper game from your childhood. Now you can take your number game with you wherever you go. Solving free Number Match puzzles on mobile is much easier than using a pencil and paper. How to play: • The goal is to clear the board. • Find pairs of equal numbers (1 and 1, 7 and 7) or pairs that add up to 10 (6 and 4, 8 and 2) on the number grid. • Tap on the numbers one by one to cross out them and get points. • You can connect pairs in adjacent horizontal, vertical and diagonal cells, as well as at the end of one line and the beginning of the next. • When you run out of moves, you can add extra lines with the remaining numbers to the bottom. • Speed up your progress with Hints if you are stuck. • You win after all numbers are removed from the number puzzle grid. There are a lot of ways to solve the puzzle. But it’s not as easy as it seems. Tease your brain and get the engaging experience! What you get: • Easy to learn logic puzzle • Hours of gameplay for you to enjoy • Daily challenges to win unique trophies • Seasonal events to get unique medals • Hints to help you reach the goal faster • No time limit, so no rush, just relax • New numbers game from a top developer! Challenge your brain with Number Match puzzles and have fun! Play number games anywhere, anytime!
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.