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.
SkyHUD Aviation turns your iPhone into an emergency backup flight instrument panel
$9.99 · 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 SkyHUD Aviation: 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: Users often report difficulty in finding specific routes quickly.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Navigation apps are sometimes slow to load real-time data.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited offline capabilities for flight data.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Weak user profile management 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.
SkyHUD Aviation turns your iPhone into an emergency backup flight instrument panel. Using the device's built-in sensors — barometer, accelerometer, gyroscope, magnetometer, and GPS — it displays real-time flight data overlaid on the rear camera feed for a true augmented reality cockpit experience. FOR REFERENCE ONLY — NOT FAA/ANAC CERTIFIED. — INSTRUMENTS — Attitude Indicator: Pitch and roll with Kalman-filtered IMU data, vibration compensation for piston engines, roll arc with tick marks, and integrated slip ball indicator. The AI fills the entire screen in landscape mode with adjustable transparency — the camera shows through, aligning the virtual horizon with the real one. Altimeter: Barometric altitude in feet from the iPhone's pressure sensor. Adjustable QNH in both hPa and inHg. Displays pressure altitude and QNH setting. Airspeed: Indicated airspeed estimate in knots, derived from GPS ground speed corrected for estimated wind. Ground speed displayed separately. Vertical Speed Indicator: Rate of climb or descent in feet per minute and meters per second. Calculated from barometric pressure changes with weighted averaging for smooth, responsive readings. Heading: Magnetic heading from the magnetometer with circular averaging for stability. Mini compass rose with north indicator. Cardinal direction display. Turn Coordinator: Turn rate in degrees per second. Standard rate turn indicator (STD badge at 3°/s). Direction callout (LEFT / RIGHT / LEVEL). G-Force: Real-time G-load with maximum recorded. Color-coded warnings at 1.8G and 2.5G thresholds. Wind: Speed and direction estimated from ground track analysis during turning flight. Displayed in knots with cardinal direction. — CAMERA AR — The rear camera provides a live background for the instrument panel. In landscape mode, the Attitude Indicator fills the entire screen with semi-transparent sky and ground overlays — when mounted in the cockpit, the virtual horizon aligns with the real horizon visible through the camera. No other backup instrument app offers this AR integration. — AIRCRAFT PROFILES — Vibration filter tuning per aircraft type: Helicopter, Piston Single, Piston Twin, Turboprop, Jet, Glider, Ultralight. Each profile adjusts the Kalman filter and low-pass parameters to compensate for engine vibration frequencies. — ADDITIONAL FEATURES — Night mode with red instrument lighting for dark cockpit operations Screen recording to save flight footage with instrument overlay Adjustable HUD opacity GPS quality indicator with satellite count estimate Barometer status indicator UTC clock Flight session timer Portrait and landscape orientations with optimized layouts — DESIGNED FOR PILOTS — Built for PPL, CPL, helicopter, ultralight, and student pilots as an emergency reference. All processing is local — no internet connection required. Works in airplane mode. iPhone 6s or later (barometer sensor required). Best experience on iPhone 12+ with dual-frequency GPS. Musicamania Tecnologia — São Paulo, Brazil
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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.