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.
App Overview
Screen Mirroring+ App
Mirror your iPhone or iPad screen to any device in your local Wi-Fi or remote via Internet
$9.99 · In-app purchases
PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
11,767 ratings · Below Average
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Screen Mirroring+ App: map the core Photo & Video workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Add support for more devices and platforms.
Assumption to check: Limited device compatibility
Validate with people who use this workflow before building.
Hypothesis 2
Improve connection stability and provide better error messages.
Assumption to check: Frequent connection issues
Validate with people who use this workflow before building.
Hypothesis 3
Offer comprehensive tutorials and troubleshooting guides in-app.
Assumption to check: Lack of detailed help resources
Validate with people who use this workflow before building.
Hypothesis 4
Optimize performance to reduce lag during screen mirroring.
Assumption to check: Performance lag during mirroring
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Mirror your iPhone or iPad screen to any device in your local Wi-Fi or remote via Internet. Share your screen on a Smart TV, Mac, PC, Laptop, Gaming Console, Smartphone or Tablet. The Screen Mirroring App can connect to any Web Browser and cast your screen with zero delay in HD quality. Screen Mirroring over DLS / Cable / Internet is supported by Safari, Chrome, Firefox, Opera, Edge and the newest Smart TVs. This is the easiest and most powerful screen sharing tool. Share your photos, videos, games, websites, apps, presentations and documents with your friends and family, even to remote places. * Supported devices: Any device with an integrated Web Browser, e.g. Samsung TV, LG TV, Panasonic TV, Hisense TV, Philips TV, Hitachi TV, Grundig TV, TCL TV. * Local mirroring on Wi-Fi: Your iPhone/iPad and your web browser device must be connected to the same Wi-Fi. Please do not use VPN, Proxy, VLANS and Subnets. * Remote mirroring is limited to DSL / Cable / Internet. Connections over cellular/mobile networks (LTE/5G) are not yet supported. * Latency is supreme (0 seconds) when you have good Wi-Fi network conditions. * You don't need a companion App on your TV or receiving device. * No hidden subscriptions or costs. * Black screen issues: Some third party apps prevent screen mirroring. When you try to mirror them, you will just see a black screen on your TV, for example with Netflix and Disney+. This is a restriction chosen by Netflix and others, so we cannot fix it at the moment. This app is brought to you by the developers of Video & TV Cast, the #1 video casting app in the world with more than 100.000.000 downloads across all platforms and devices. Disclaimer: This app is not affiliated with any of the trademarks mentioned here.
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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BUILD KIT DIFFICULTY
Advanced
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.
