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.
Create, send and track invoices on your phone and keep your finances organized
Free · In-app purchases
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 Easy Invoice Maker App: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Create, send and track invoices on your phone and keep your finances organized. Send the invoice on the go before you leave the customer! It's extremely easy to use and saves a lot of time. KEY FEATURES: - Easily and quickly create and send professional invoices to your customers. - Create and send estimates to your customers. - Quickly set up clients from your phone’s contact list. - Save all details of your product or service for faster invoicing later. Description, price and more. - Discount on item or total. - Automatically calculate tax rate, inclusive or exclusive. - List payment methods including - Send PDFs via email, text, or print PDF - Keep track of payments and debts with reports. - Add customer information to your invoice or estimate with one tap. Find a subscription plan that suits your business - monthly or annually: • Freebie: 5 Invoices, Estimates, Orders, Delivery Notes per year, Payment reminders, Payment receipts, Image attachments, Clients signature • Basic: 3 Invoices per month • Standard: 10 Invoices, Estimates, Orders per month, Payment reminders, Payment receipts, Image attachments, Clients signature • Premium: Unlimited Invoices, Estimates, Orders, Delivery Notes per month, Payment reminders, Payment receipts, Image attachments, Clients signature Privacy Policy: https://sites.google.com/view/invoice-maker-policy/ Terms of Use: https://sites.google.com/view/invoice-maker-terms
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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: Limited customization options for invoices.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No automatic reminders for due invoices.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficult to manage clients with a large number of invoices.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of multi-currency support.
Validate with people who use this workflow before building.
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.