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.
OpnexCast is an all-in-one casting tool that combines a DLNA casting client (supporting local files and URLs) with an AirPlay full-screen casting client (doodle board, LED scrolling text, and browser).
$0.99 · 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.
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Combine features and design from your favorite apps.
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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 OpnexCast: map the core Utilities 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 device compatibility
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Occasional connection issues
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of advanced settings
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline functionality
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.
OpnexCast is an all-in-one casting tool that combines a DLNA casting client (supporting local files and URLs) with an AirPlay full-screen casting client (doodle board, LED scrolling text, and browser). Whether you're creating in real time, presenting web content, or playing photos and media, everything can be naturally displayed on the big screen with a full-screen, real-time, and stable casting experience. --- **1. Draw and Cast · Real-Time Display** Create freely on the doodle board and mirror your content to the big screen in real time via AirPlay—what you see is what you cast. Perfect for teaching, presentations, meetings, and capturing ideas. **2. LED Scrolling Text** Supports full-screen AirPlay mirroring, ensuring clear and visible display across the screen. **3. Browser Casting · Full-Screen Display** Supports Safari AirPlay mirroring, allowing web content to be displayed directly on the big screen in full screen. No extra steps required—sharing and presenting is effortless. **4. True Full-Screen Mirroring Experience** Deeply optimized for AirPlay and Apple TV, delivering complete visuals without cropping or distortion for a more immersive big-screen experience. **5. Full-Screen Photo Casting (DLNA)** Easily cast local photos and videos to the big screen via DLNA with one tap. Supports continuous playback, ideal for family sharing and content display. **6. Continuous URL Casting (DLNA)** DLNA-based URL casting ensures stable, uninterrupted playback for a smoother viewing experience. **7. More Efficient User Experience** Card-based home layout for quick access to essential features DLNA slideshow continuous casting for smoother presentations Automatically remembers frequently used DLNA devices for fast, hassle-free connections without repeated setup --- A powerful yet simple way to bring your content to the big screen.
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.