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
Spanish Bible : Reina Valera
Español Santa Biblia - Reina Valera Versión
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.3
6 ratings · Top 30%
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Spanish Bible : Reina Valera: map the core Books 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
Implement advanced search features for keywords, phrases, and topics.
Assumption to check: Limited search capabilities compared to other Bible apps.
Validate with people who use this workflow before building.
Hypothesis 2
Enable offline access to bookmarks and downloaded verses.
Assumption to check: Lack of offline access for users.
Validate with people who use this workflow before building.
Hypothesis 3
Add audio narration for verses.
Assumption to check: No audio reading feature available.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify UI/UX for a more streamlined experience.
Assumption to check: User interface may feel cluttered.
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 Santa Biblia - Reina Valera Versión Esta aplicación te da la posibilidad de leer todos los libros del Antiguo Testamento y el Nuevo Testamento en su Iphone / Ipad / Ipod Touch. = > Contenido : - Todos los capítulos en 66 libros del Antiguo Testamento y el Nuevo Testamento = > El texto está en español = > No hay conexión a Internet es necesario para leer la Biblia = > Características: - Buscar en los títulos de los libros y los números de los libros - Índice de búsqueda y de texto completo - Marcador automático - Administrar favoritos - Ajustar el tamaño y la fuente del texto para toda la aplicación - Compartir con facebook, twitter , ... capítulos de la Biblia que me gustan -------- NOTAS IMPORTANTES = > No podemos responder a los comentarios que dejan en la App Store . Para que nosotros armamos un bug , gracias por ponerse en contacto con nosotros desde la aplicación. = > Si te gusta esta aplicación y el progreso que estamos haciendo , gracias a evaluar y comentar sobre la App Store . --------------------------------------------------------------------- --------------------------------------------------------------------- Spanish Holy Bible - Reina Valera Version This application gives you the ability to read ALL the books of the Old Testament and the New Testament on your Iphone / Ipad / Ipod Touch. = > Content : - ALL chapters in 66 books of the Old Testament and New Testament = > The text is in Spanish = > No Internet connection is required to read the Bible = > Features : - Research on the book titles and numbers of books - Index and full text contents - Automatic bookmark - Manage favorites - Adjust the size and font of the text for the entire application - Share with facebook, twitter, ... chapters of the Bible that you enjoy -------- IMPORTANT NOTES = > We can not respond to comments left on the App Store. For us to put together a beug , thank you for contacting us from the application. = > If you like this application and the progress we are making , thank you to leave a rating and comment on the App Store.
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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
Zustand
react-navigation
react-native-gesture-handler
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.
