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.
App Overview
DGT Cameras
Español
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for DGT Cameras: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Focus on a clean UI that prioritizes camera alerts and map visibility.
Assumption to check: Users often find navigation apps cluttered with unnecessary features
Validate with people who use this workflow before building.
Hypothesis 2
Implement real-time data fetching for accurate camera locations.
Assumption to check: Real-time updates can lag or be inaccurate
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the paywall experience and clearly explain benefits.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Optimize location tracking to reduce battery consumption.
Assumption to check: Users may experience battery drain from GPS usage
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Español DGT Cam – Tu copiloto esencial en las carreteras de España Conduce con mayor seguridad en España con DGT Cam, una app de alertas de radares que te avisa en tiempo real de la mayoría de las cámaras de velocidad del país, ayudándote a evitar multas y conducir con confianza. FUNCIONES PRINCIPALES Cobertura completa de España • Cámaras oficiales de la DGT • Cámaras comunitarias de OpenStreetMap • Datos actualizados regularmente Alertas en tiempo real • Distancia de aviso configurable (300 m, 400 m o 500 m) • Alertas de audio y avisos visuales en el mapa • Funciona en segundo plano Mapa interactivo • Interfaz clara y fluida • Consulta cámaras cercanas de un vistazo • Información detallada al tocar una cámara Personalización total • Idioma español o inglés • Unidades km/h o mph • Modo oscuro Añade tus propias cámaras • Añade ubicaciones manualmente • Importa coordenadas • Gestiona tus cámaras personales Privacidad primero • Sin registro • Sin seguimiento ni recopilación de datos Ideal para residentes, turistas y conductores profesionales en España. English DGT Cam – Your Essential Driving Companion in Spain Drive safer on Spanish roads with DGT Cam, a speed camera alert app that provides real-time warnings for most speed cameras across Spain, helping you stay alert and avoid fines. KEY FEATURES Nationwide Coverage • Official DGT speed cameras • Community-sourced cameras from OpenStreetMap • Regularly updated data Real-Time Alerts • Adjustable alert distance (300 m, 400 m, or 500 m) • Audio alerts and visual map warnings • Works in the background Interactive Map • Clean, smooth map experience • View nearby cameras instantly • Tap for detailed information Fully Customizable • English and Spanish languages • km/h or mph units • Dark mode support Add Your Own Cameras • Manually add camera locations • Import coordinates • Manage personal camera list Privacy First • No account required • No tracking or data collection Perfect for daily drivers, tourists, and professional drivers in Spain. • Privacy Policy: lithium.is/privacy-policy • Terms of Use: lithium.is/terms-of-use
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Supabase
react-navigation
react-native-maps
expo-location
BUILD KIT DIFFICULTY
Intermediate
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.
