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
Tus Zonas Erróneas
¿Sin tiempo para leer? Escucha audiolibros
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.0
1 ratings · Below Average
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 Tus Zonas Erróneas: map the core Business 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
Allow users to customize quotes and topics based on preferences.
Assumption to check: Limited personalization options for users
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate interactive elements like quizzes or community discussions.
Assumption to check: Lack of engaging content
Validate with people who use this workflow before building.
Hypothesis 3
Implement detailed progress analytics and visualizations.
Assumption to check: Inadequate progress tracking
Validate with people who use this workflow before building.
Hypothesis 4
Offer a free trial for premium features to demonstrate value.
Assumption to check: High subscription cost without clear value
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
¿Sin tiempo para leer? Escucha audiolibros. Disfruta de la lectura mientras haces otras cosas. ¿Te sientes atrapado en una vida que no te gusta? ¿Te sientes culpable, inseguro o temeroso? ¿Quieres cambiar tu vida, pero no sabes cómo? "Tus Zonas Erróneas" es el libro perfecto para ti. En este libro clásico de autoayuda, se muestra cómo identificar y superar las creencias y comportamientos autodestructivos que te impiden vivir una vida plena y feliz. A través de un lenguaje claro y sencillo, aprenderás cómo: Identificar tus zonas erróneas Comprender cómo te afectan Desarrollar un plan para superarlas "Tus zonas erróneas" es un libro inspirador que te ayudará a tomar el control de tu vida y alcanzar tu máximo potencial. ¿Qué estás esperando? Comienza tu viaje hacia una vida más feliz y plena.
Written user reviews are not shown here. Check current App Store reviews >
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.
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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.
