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
Inset: Preview Any Screen Area
Watch selected parts of your Mac screen and app windows in real time on your iPhone or iPad.
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
4 ratings · Top 5%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included14 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 Inset: Preview Any Screen Area: 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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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
Introduce advanced customization options for screen previews.
Assumption to check: Limited features for advanced users
Validate with people who use this workflow before building.
Hypothesis 2
Add easy sharing to social media and messaging apps.
Assumption to check: No sharing options for previews
Validate with people who use this workflow before building.
Hypothesis 3
Implement onboarding tutorials to guide new users.
Assumption to check: Lack of user tutorials
Validate with people who use this workflow before building.
Hypothesis 4
Offer a free trial period to attract more users.
Assumption to check: In-app purchase model can deter users
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
Watch selected parts of your Mac screen and app windows in real time on your iPhone or iPad. Inset Viewer connects to Inset on your Mac and displays a live preview of the exact screen area or window you choose — so you can monitor what matters without sitting at your computer. MONITOR YOUR MAC FROM ANYWHERE AT HOME Inset for macOS lets you select a specific window or screen region — like a chat, dashboard, video, or progress window. Inset Viewer streams that live preview to your iPhone or iPad over your local Wi-Fi network. REAL-TIME SCREEN STREAMING - Live preview from your Mac - Switch between active previews - Automatic device discovery - Fast, direct connection over your local network - Works with iPhone and iPad Just open the app and tap your Mac to connect. GREAT FOR - Monitoring a download or build in progress - Keeping an eye on chat while live streaming - Watching a dashboard from another room - Tracking activity without constantly returning to your desk SIMPLE & PRIVATE Inset Viewer connects directly to your Mac using your local network. - No accounts - No cloud servers - No remote access outside your network - No data collection Everything stays on your devices. Requires Inset for macOS (all platform apps included under a single purchase.) Mac and iPhone or iPad must be on the same local network.
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.
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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.
