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.
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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 ForeFlight Mobile EFB: map the core Weather workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Download for a 30-day free trial of our top subscription plan! Visit our website for more information on available plans and add-ons. ForeFlight is the leading flight app for VFR and IFR pilots everywhere, making flight planning and flying easier, safer, and more enjoyable. FLIGHT PLANNING, BRIEFING, & FILING Plan flights with Touch Planning on the Map or full-featured form-based Flights view. Tap out a route in seconds and quickly see if flights will be affected by weather or TFRs. Helpful Route, Altitude, and Procedure Advisors make planning easy and accurate. Generate a graphical preflight briefing and file your flight plan directly from the app. Print a professional-grade Navlog for inflight reference. WEATHER Interactive weather layers include animated radar, global satellite and winds aloft, global icing, turbulence, and surface analysis, graphical AIR/SIGMETs, flight category, visibility, and more. View decoded METARs, TAFs, and MOS forecasts. Thoughtfully organized Imagery view puts a full range of forecast tools at your fingertips. PLATES, CHARTS, & MAPS Both VFR and IFR operations are covered with all of the essentials required for planning and navigation: data-driven Aeronautical Maps, VFR Sectionals, High/Low Enroute charts, SIDs, STARs, approach and taxi charts, and terrain, satellite, and street map views. GEO-REFERENCED APPROACHES & TAXI CHARTS Plates and taxi charts enable the real time display of your GPS location on the chart. They can also be overlaid on the Maps view along with weather and hazards for the ultimate situational awareness. GLOBAL HAZARD AWARENESS TECHNOLOGY Plan and fly with more confidence in all conditions and terrain. Top-down-view Hazard Advisor map layer, Terrain Profile View, and 3D Synthetic Vision seamlessly integrate into the map display to depict a clear picture of terrain and obstacle hazards anywhere in the world. When paired with an AHRS source, Synthetic Vision provides a backup attitude display. LOGBOOK Logbook makes it easy to log and share flights, track hours, review currency, record certificates and ratings, receive electronic instructor endorsements, and create experience reports. Your data is automatically synced across all your devices and protected in secure cloud storage. ADDITIONAL FEATURES INCLUDE: Built-in documents catalog with FAR/AIM, charts supplements, and more Airport, FBO, and fuel price information for thousands of locations Dynamic data-driven Aeronautical Maps Weight & Balance Glide Advisor Automatic chart and data data updates Chart color inversion for better night flying experience Access to web planner
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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: Complex user interface may overwhelm new users
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited local weather data in some regions
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Subscription may be too expensive for casual users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Performance issues with heavy data usage
Validate with people who use this workflow before building.
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.