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.
When first played, your baby may not be able to accurately touch the moving balloon with his/her hand.
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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 My baby game (Balloon Pop): 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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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 engagement and repetitive gameplay
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inadequate visual and audio feedback
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of variety in rewards
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Confusing settings navigation
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.
When first played, your baby may not be able to accurately touch the moving balloon with his/her hand. Play the game with your baby consistently for a few days or weeks, and you will be surprised at the mobile development of your baby's hands. This game must be played in the presence of a parent, and it is encouraged for you to guide your baby through the game at first. -When to play! ○When your baby is cranky or will not stop crying, playing this application can hold your baby's attention. (The various sounds, animated animals, and vibration stimulate your baby's curiosity.) ○This application may show better results than rattles or dolls. ○This application is exceptionally handy for parents who spend ample time with their babies but cannot figure out how to fill that time usefully. This application may be too advanced for infants under 12 months old. ※Caution ○Playing the application for an excessive amount of time or leaving the children alone with the device is not encouraged. ○Be cautious of injury due to dropping the device. (Place the device on a flat surface or hold it in your hand.) ○Keep the device distant from your eyes. ○Babies tend to unawarely press the "home" button on the device while playing. As this may lead to your baby altering settings on your device, please do not leave your baby alone with your device.
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.