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.
One-time lifetime price
$4.99 · 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 Map Measure: Land, Area, Lot: map the core Navigation 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 measurement types and features
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of offline capabilities
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No user profile or history management
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases for basic features
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.
One-time lifetime price. No subscriptions, no ads, no account — buy once, keep forever. Map Measure turns Apple's satellite map into a precise ruler for the real world. Tap to drop points, sweep with your finger to draw curves around buildings and trees, and read distance, area and perimeter in any unit you like. Built for homeowners, landowners, hobby gardeners and small contractors who need a quick, honest answer. WHAT YOU CAN MEASURE • Property and lot size in m², hectares, ft² or acres • Fence length and perimeter for your garden or yard • Walking paths, driveways and trails in m, km, ft, yd or miles • Roof and patio surfaces down to centimeter precision • Anything else you can point to on a satellite image KEY FEATURES • Apple Satellite + Hybrid map with 3D Flyover elevation • Multi-point distance and area mode in a single tap • Pen-tool style finger sweep for smooth curves and bends • Edit any point — drag to move, long-press to redraw its curve • Live distance pills on every segment as you build the shape • 8 length units and 8 area units, switchable any time • Smart unit suggestions when your measurement is unusually large or small • Save unlimited measurements, name and revisit them later • Export as PDF, PNG, CSV or GeoJSON — share via Mail, Messages, Files or save to Photos • Native iOS 26 Liquid Glass interface, optimized for iPhone and iPad NO SUBSCRIPTIONS, NO ADS You pay once and own the app. Map Measure does not track you, does not collect analytics, and does not require an account. ACCURACY NOTE Measurements use Apple's satellite imagery and geodetic calculations. Accuracy depends on the resolution of the underlying imagery in your area. For legal, surveying or construction-grade work, always confirm with a professional survey.
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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.