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
LiveCam – Fullscreen Monitor
LiveCam is built for a single purpose: to stream your iPhone camera fullscreen to an AirPlay® or wired external display without any distracting elements
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
4 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.
Build your own version
Build Kit
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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.
What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 LiveCam – Fullscreen Monitor: 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
Include extensive editing features post-capture.
Assumption to check: Limited functionality compared to full-feature photo editing apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement a modern UI with intuitive navigation.
Assumption to check: User interface feels outdated
Validate with people who use this workflow before building.
Hypothesis 3
Optimize camera performance for smoother video streaming.
Assumption to check: Inconsistent performance with live feed
Validate with people who use this workflow before building.
Hypothesis 4
Integrate cloud storage options for user photos.
Assumption to check: Lack of cloud backup for captured photos
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
LiveCam is built for a single purpose: to stream your iPhone camera fullscreen to an AirPlay® or wired external display without any distracting elements. Your audience sees only what you want them to see, a fullscreen camera view, without any additional controls or interface elements. It’s perfect for live events and classroom settings. Project to large displays for easier viewing and for closeups on smaller objects difficult to see a distance. Highlights - 16:9 external display output (no letterboxing), with a proper aspect ratio preview on your iPhone screen (including X, Xs, and Xr models) - While streaming to an external display, document your events by recording HD video (with audio) or capturing high resolution photos - Pinch to zoom, including up to 2x optical zoom on iPhone X, Xs, and Plus models - Tap on viewfinder display to fix focus and exposure point - Works with both rear and front-facing cameras - Both landscape and portrait orientations are supported - Supports wired display connections via Lightning to HDMI or VGA adapters Note: To use with an external display, activate Screen Mirroring before or after launching the app, using Control Center: - Open Control Center by swiping down from the upper right of the display - Enable Screen Mirroring to your target display - Tap screen to close Control Center
Written user reviews are not shown here. Check current App Store reviews >
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.
SUGGESTED BUILD STACK
React Native
Expo
React Navigation
@react-native-async-storage/async-storage
expo-camera
expo-permissions
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.
