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.
BillesGreen is a modern, simple, and powerful way to organize your daily life
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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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for BillesGreen: map the core Finance workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Users find it difficult to track bills effectively across multiple accounts.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited customization options for notifications.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users experience confusion with recurring bill entries.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No integration with bank accounts for automatic bill tracking.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
BillesGreen is a modern, simple, and powerful way to organize your daily life. It helps you track expenses, create smart shopping lists, and manage personal tasks — all in one place on your iPhone. Everything is designed to keep your information clear, accessible, and secure at all times. Expenses organized effortlessly: Create custom lists for your expenses such as home, car, utilities, work, travel, or any category you need. Add amounts, notes, and dates, and view totals instantly. Edit your lists in seconds and keep your everyday finances organized. Smart shopping lists: Create one or multiple shopping lists depending on your needs. Add products with quantities, notes, and photos taken with the camera or selected from your photo library. Mark purchased items, organize by categories, and reuse your lists without starting over. Tasks and to-dos: Manage your daily activities with simple and effective task lists. Add notes and check off each task as you complete it. Perfect for organizing your routine, home responsibilities, or personal projects. Private iCloud synchronization: Your information is securely stored in your personal iCloud account. Lists automatically sync across your own devices using the same Apple ID. There is no sharing, collaboration, or third-party access. Text export: Export your lists as plain text notes for personal backup or reference. Simple and modern design: Clean interface, intuitive navigation, and full support for Dark Mode, Dynamic Type, high contrast, and iOS accessibility features. Built for everyday use: From quickly logging an expense to organizing your weekly shopping or planning your tasks, BillesGreen is always ready to help. No registration required. No ads. No tracking. Your data stays yours. BillesGreen — Your life, organized.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.