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 professional looking invoices on the go
$0.99 · 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.
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 Invoice Maker & Easy Receipt: 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: Users often find invoice creation too complicated.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited customization options for invoices.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of multi-currency support.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No receipt scanning feature.
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.
Create professional looking invoices on the go. Send them to your customers. Manage invoice and billing operations - all in one app! Easy Invoice & Receipt Maker is the best tool for small business owners and individuals - it lets you quickly create and send invoices to customers. All of this can be done in a matter of moments. This app is great for businesses that want… A super simple way to create, edit, track, and send invoices Invoices that can be generated from your phone A visual report of your finances Download and get your invoices/receipts for free. Features of the Easy Invoice & Receipt Maker that make your life easier as a business owner. Easy-to-use Interface Simple, clutter-free interface, with only the necessary features built-in for easy access. Keep Track of Your Finances Track your finances with the built-in pie chart that gives you a visual representation of all your paid and unpaid invoices. Professional-Looking Invoices Simply enter your details and get a professional looking invoice with zero effort. Share them on the spot via WhatsApp or email, or even print one with a few clicks. Edit Your Invoice Input the details of your client with built-in information fields, such as Billing Address, Identification, and Contact Information. Control Over Your Own Invoice Easily create and edit your own business invoice, with the ability to add your logo, signature, and your business details. Include Bank Transfer Easily accept payments by including bank transfer to your invoices at no additional cost. VAT Inclusion Easily apply a VAT percentage to your payments without any extra hassle of calculating the whole thing by yourself. Easy Invoice & Receipt Maker is the ultimate app for those who want a zero-hassle invoice-making experience on the go. We made sure that you don’t need to spend an extra second navigating the UI. Install Easy Invoice & Receipt Maker Now!
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.