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.
Invoice Mini is an invoice app that allows anyone to quickly and accurately create, email, and/or print professional looking estimates, invoices, and receipts with embedded photos at the office and in the field
$2.99 · 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.
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Combine features and design from your favorite apps.
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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 Invoice Mini: Create Invoices and Purchase Orders: 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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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: Difficulty in tracking payment statuses
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of advanced reporting features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent user experience on different devices
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.
Invoice Mini is an invoice app that allows anyone to quickly and accurately create, email, and/or print professional looking estimates, invoices, and receipts with embedded photos at the office and in the field. We've designed it to be one of the easiest invoice apps to use. You'll be able to invoicing in minutes, easily be able to create a professional looking invoice or estimate for each project. Available on iPhone, iPad, and iPod Touch, Invoice Mini helps businesses of every size, and every industry, increase productivity. Features: * Add your company information and logo to the invoice template for professional looking documents * Add customer information on the fly or select from your contacts list * Add items to your estimates and invoices on the fly, or select from your predefined item list * Enter your tax rate and sales tax will be calculated for taxable items * Notes allow you to define special conditions or information * A simple PDF invoice generator, preview and email PDF invoices in seconds * Add unlimited photos can be added to each invoice or estimate before and after * Generates receipts, makes a great receipt template * Keep track of payments you receive as well as open balances against invoices * Invoice customers to get paid quickly * Send customers estimates to win jobs
Written user reviews are not shown here. Check current App Store reviews >
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.