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.
Combine the photos depicted on the cards correctly to complete a single picture.
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 Jigsolitaire: 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 social features for sharing gameplay
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases may confuse users
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Repetitive gameplay may lead to boredom
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of customization options for gameplay
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.
Combine the photos depicted on the cards correctly to complete a single picture. Once you experience the exhilarating snap of the cards fitting perfectly, you’ll be hooked for sure! [Game Features] - Enjoy Completing Photos by Combining Cards Even if the cards seem random at first glance, once you find the exact spot they fit, the satisfaction of that perfect snap is unparalleled! - Intuitive Swipe Controls Simply swipe to move the cards. When cards stick together, you can move them as a group, making gameplay smooth and easy. - Exhilarating Chain Reactions The thrill of multiple cards locking into place all at once is seriously addictive. This is a puzzle game with high replay value. - Designed for All Skill Levels Whether you have just a bit of free time or want a longer play session, this game is perfect. You’ll find new discoveries each time you play! - Wide Variety of Themed Photos From flowers and landscapes to animals, we plan to add a diverse range of photos on an ongoing basis! [How to Play] - Swipe to Move Cards Swipe your screen to drag the cards wherever you like. - Move Connected Cards All at Once When cards are placed correctly, they snap together. You can then move the connected group of cards as a single unit. - Caution When Overlapping Large and Small Cards If you place a small card on top of a larger one, the larger card may shrink. Pay close attention to any size changes and combine them carefully. Despite its simple controls, “Jigsolitaire” also offers depth through strategic card placement. Whether you love jigsaw puzzles, enjoy solitaire, or just want a fun and easy puzzle, give it a try!
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.