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.
MAGNETIC DETECTOR PRO - COMPREHENSIVE FEATURES
$1.99 · 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 Metal Detector: Magnetometer: map the core Productivity 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: Inconsistent accuracy in metal detection.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited history tracking options.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Confusing settings layout.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of user guidance or tutorials.
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.
MAGNETIC DETECTOR PRO - COMPREHENSIVE FEATURES Magnetic Detector Pro is a professional-grade metal detecting app that transforms your iPhone and Apple Watch into a powerful magnetic field detector without any simulations, using real device sensors. - CORE DETECTION FEATURES True Magnetometer Integration - Delivers accurate metal detection by utilizing your device's built-in magnetometer sensor with advanced signal processing, noise filtering, and stability analysis. No simulated data—just real sensor readings. Multiple Detection Modes - Four dedicated scanning profiles: Coin Mode for small metals and jewelry, Cable Mode for electrical wires and cables, Large Metal Mode for significant metal objects, and Sensitive Mode for ultra-sensitive detection with customizable thresholds. Advanced Calibration System - Automatic background calibration with manual override options. The app generates baseline magnetic field readings and continuously adapts to environmental conditions for optimal detection accuracy. - USER EXPERIENCE AND INTERFACE Professional 3D Interface - Modern glassmorphism design with dynamic animations, particle effects, energy waves, and radar-style scanning visuals that respond to real-time magnetic field changes. Full localization in 18 languages. Intuitive Controls - One-touch activation, quick calibration, and full-screen monitor mode for an immersive scanning experience with "Target Detected" confirmations and metallic signature analysis. - FEEDBACK SYSTEMS Multi-Level Haptic Feedback - Advanced vibration patterns with varying intensities based on metal detection strength, from subtle notifications for weak signals to strong tactile responses for strong metallic objects. Audio Alert System - Configurable beeps and audio notifications activated upon initial detection, with different tones for different signal strengths and detection confidence levels. Visual Indicators - Real-time µT (microTesla) measurements displayed in large, easy-to-read fonts with color-coded intensity levels, key measurements, and signal strength visualization. - TECHNICAL SPECIFICATIONS Real-Time Sensor Processing - Continuous magnetometer data analysis at a 10 Hz refresh rate with robust averaging, outlier rejection, trend detection, and spike filtering for reliable detection performance. Sensitivity Adjustment - Customizable detection thresholds with high, medium, and low sensitivity settings tailored to different environments and target materials, including paramagnetic substances. Metal Density Classification - Six-level intensity measurement system (Trace, Weak, Moderate, Strong, Very Strong, Extreme) with a percentage-based signal strength indicator. - APPLE WATCH INTEGRATION Companion Watch App - Full-featured Apple Watch app with dedicated magnetometer management, an immersive full-screen radar interface, and haptic feedback optimized for wrist-based detection. Cross-Device Sync - Seamless experience between iPhone and Apple Watch with consistent detection algorithms and synchronized sensitivity settings. - PROFESSIONAL APPLICATIONS Construction & Repair - Find hidden electrical wiring, metal studs, pipes, and structural elements inside walls and surfaces for safe drilling and renovation work. Security & Security - Detect hidden metal objects, identify potential hazards in security screening applications, and sensitive environments. Hobby & Treasure Hunting - Find lost jewelry, coins, keys, and small metal objects with precision detection capabilities for recreational metal detecting. The app combines professional-grade sensor technology with an intuitive user interface, making advanced metal detecting accessible to both casual users and professionals who need reliable magnetic field analysis tools.
Written user reviews are not shown here. Check current App Store reviews >
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.