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.
Dance Mirror is a simple camera-based tool that lets you see your movement moments after it happens.
$1.99 · 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 Dance Mirror: map the core Health & Fitness 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 tutorial variety may not satisfy all users.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchase prompts may frustrate users.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users may find it difficult to track their progress effectively.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Potential lack of social features for community engagement.
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.
Dance Mirror is a simple camera-based tool that lets you see your movement moments after it happens. Using your device’s camera, Dance Mirror displays your motion in real time or with a short, adjustable delay — so you can review your movement without recording or saving video. It’s designed for anyone who wants quick visual feedback by using their phone or tablet to practice choreography, technique, or form without wasting time scrubbing through old clips. Dance Mirror works especially well for practicing dance styles such as ballet, ballroom, contemporary, hip hop, salsa, swing, and other movement-based disciplines — but it’s flexible enough for any activity where visual feedback helps. Features: • Live camera mirror with adjustable delay (up to 30 seconds) • Delay mode works without saving or recording to your device • Works in portrait and landscape mode • Pause button to freeze and hold a frame, plus pinch-to-zoom • Simple, distraction-free interface (with the ability to hide controls) • Fully offline: no ads, accounts, or subscriptions Dance Mirror processes video frames locally on your device and does not collect, store, or transmit personal data. Whether you’re rehearsing choreography, refining technique, or just want to see what just happened a few seconds ago, Dance Mirror gives you clear visual feedback with a clean, easy-to-use interface. Created by a ballroom dancer. Designed for anyone who wants to practice their movements and choreography more effectively.
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.