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.
NavDiags is a comprehensive location and navigation diagnostics application for iOS developers, location-based service professionals, and tech enthusiasts needing detailed insights into their device's positioning capa...
$0.99
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 Nav Diag: 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: Uses too much data
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Voice directions unclear
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Slow route recalculation
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.
NavDiags is a comprehensive location and navigation diagnostics application for iOS developers, location-based service professionals, and tech enthusiasts needing detailed insights into their device's positioning capabilities. CORE LOCATION FEATURES Monitor real-time GPS coordinates with precision down to centimeters. Track location accuracy, speed, course direction, and altitude with live updates. View detailed location history with timestamps and export data for analysis. Set up custom geographic regions for entry and exit notifications. Monitor significant location changes and visit tracking for low-power location monitoring. ADVANCED POSITIONING Monitor compass heading with magnetic and true north readings. Track device motion with accelerometer, gyroscope, and magnetometer data. View location age and freshness indicators to understand data reliability. IBEACON AND BLUETOOTH Comprehensive iBeacon ranging to detect nearby Bluetooth beacons with signal strength analysis. Simulate iBeacon transmission to test beacon-based applications and location services. Discover nearby BLE devices and iBeacons with detailed signal analysis. Save and organize beacon configurations in a persistent library for easy reuse across ranging, discovery, and simulation features. REGION MONITORING Create circular geographic regions with customizable radius and notifications. Monitor region entry and exit events with detailed logging. Save and load region configurations from a persistent library. View region events history with timestamps and export capabilities. Visual map display of monitored regions and current location. PROFESSIONAL DIAGNOSTICS Detailed system capability analysis showing available location services and authorization status. Background location monitoring with comprehensive logging. Location permission analysis and troubleshooting guidance. DEVELOPER TOOLS Real-time location service status monitoring. Detailed error reporting and debugging information. Custom UUID generation for iBeacon applications. Comprehensive location settings validation and recommendations. USER INTERFACE Clean, intuitive design optimized for both portrait and landscape orientations. Real-time data updates with customizable refresh rates. Dark mode support for comfortable viewing in all lighting conditions. Comprehensive search and filtering across all features. Export and share functionality for collaboration and reporting. DATA MANAGEMENT Persistent storage of location history, region events, and beacon configurations. Configurable data retention policies to manage storage usage. Bulk operations for managing large datasets. Advanced sorting and filtering options for efficient data analysis. PRIVACY AND SECURITY All location data remains on device with no cloud storage or external transmission. User-controlled data retention and deletion options. Transparent privacy controls with clear explanations of data usage. Optional data export only when explicitly requested by user. TECHNICAL SPECIFICATIONS Supports all iOS location services including GPS, WiFi, and cellular positioning. Compatible with all iBeacon and BLE 4.0 plus devices. Optimized for performance with minimal battery impact during standard operation. Comprehensive error handling and recovery mechanisms. IDEAL FOR iOS developers building location-aware applications who need detailed testing and debugging capabilities. Location service professionals requiring comprehensive diagnostic tools for troubleshooting and optimization. Technical users interested in understanding their device's location and navigation capabilities in detail. Whether you are developing the next great location-based app, troubleshooting location service issues, or simply curious about how your iPhone determines its position, NavDiags provides the comprehensive tools and detailed information you need to understand and optimize location-based functionality on iOS devices.
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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.