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
Keyva
keyva - el gestor definitivo de variables de entorno para desarrolladores
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
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 included17 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 Keyva: map the core Developer Tools 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
Competitive pricing with generous free tier
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Focus on most-requested features first
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Optimize for 60fps, fast load times
Assumption to check: Poor performance
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
keyva - el gestor definitivo de variables de entorno para desarrolladores cansado de buscar api keys y tokens entre multiples archivos .env? keyva te ayuda a organizar y proteger todas tus variables de entorno en un solo lugar, sincronizadas automaticamente entre todos tus dispositivos apple. seguridad avanzada valores secretos encriptados en apple keychain proteccion biometrica con face id / touch id sincronizacion end-to-end encriptada via icloud nunca mas expongas tus secretos en repositorios organizacion inteligente organiza por proyectos y entornos (dev, staging, prod) variables compartidas entre multiples entornos busqueda rapida por nombre o valor orden personalizable con drag & drop importar/exportar sin esfuerzo importa archivos .env, json y yaml automaticamente exporta a cualquier formato con un toque deteccion automatica de valores sensibles comparte variables entre dispositivos al instante sincronizacion perfecta sincronizacion automatica via icloud accede desde iphone, ipad y mac tus variables siempre actualizadas en todos tus dispositivos funciona offline, sincroniza cuando hay conexion diseno minimalista interfaz moderna con diseno ethereal modo oscuro nativo optimizado para todas las plataformas apple experiencia fluida y rapida plan premium plan gratuito: hasta 3 proyectos, 3 entornos por proyecto premium: proyectos y entornos ilimitados exportacion en todos los formatos (json, yaml) soporte prioritario ideal para: desarrolladores web y mobile equipos devops freelancers que manejan multiples proyectos cualquiera que trabaje con configuraciones sensibles caracteristicas tecnicas: swiftui nativo para maximo rendimiento swiftdata para gestion de datos eficiente cloudkit para sincronizacion robusta compatible con ios 18+, macos 15+, visionos 2+ descarga keyva hoy y manten tus variables de entorno organizadas, seguras y siempre accesibles. términos de uso: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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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
RevenueCat
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.
