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
Leyes Fiscales
Leyes Fiscales es la herramienta profesional de consulta en derecho fiscal mexicano, diseñada para abogados fiscalistas, litigantes, contadores y estudiantes de derecho que requieren información confiable, vigente y f...
$9.99 · In-app purchases
PRICE
$9.99
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 included15 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 Leyes Fiscales: map the core Reference 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
Incorporate quizzes or scenarios related to fiscal laws to enhance engagement.
Assumption to check: Limited user engagement due to lack of interactive features
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more intuitive search and filter system.
Assumption to check: Difficult navigation in dense content
Validate with people who use this workflow before building.
Hypothesis 3
Offer a freemium model or introductory pricing.
Assumption to check: High subscription cost may deter users
Validate with people who use this workflow before building.
Hypothesis 4
Add user comments or forums for discussion.
Assumption to check: Lack of user reviews or community features
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
Leyes Fiscales es la herramienta profesional de consulta en derecho fiscal mexicano, diseñada para abogados fiscalistas, litigantes, contadores y estudiantes de derecho que requieren información confiable, vigente y fácil de consultar desde su dispositivo móvil. Legislación Fiscal Federal actualizada Accede a una amplia recopilación de leyes fiscales y sus reglamentos vigentes, entre las que se incluyen: • Código Fiscal de la Federación • Ley del Impuesto sobre la Renta • Ley del Impuesto al Valor Agregado • Ley del Impuesto Especial sobre Producción y Servicios • Ley Aduanera • Ley Federal de los Derechos del Contribuyente • Ley de Ingresos de la Federación para el Ejercicio Fiscal 2026 Jurisprudencia y Tesis Fiscales La aplicación integra un acervo de más de 2,300 jurisprudencias y tesis aisladas, que recogen los criterios emitidos por: • Pleno y Salas de la Suprema Corte de Justicia de la Nación • Tribunales Colegiados de Circuito • Plenos de Circuito Búsqueda avanzada y filtros profesionales • Búsqueda por texto libre • Filtros por tipo de criterio, órgano jurisdiccional y materia • Navegación rápida por artículos y criterios • Consulta clara y estructurada para uso académico o litigioso Diseñada para el ejercicio profesional y el estudio • Interfaz optimizada para dispositivos móviles • Ideal para audiencias, preparación de escritos y estudio diario • Ahorra tiempo al localizar criterios y normas clave Contenido en constante actualización Mantente al día con las reformas fiscales y los criterios judiciales relevantes, sin depender de documentos PDF desactualizados. Descarga Leyes y Tesis Fiscales MX y conviértela en tu fuente diaria de consulta en derecho fiscal mexicano.
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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
React Navigation
Axios
React Query
Firebase Auth
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.
