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.
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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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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 Debt Payoff Pro: 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: Limited features for tracking multiple debts
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User interface is not very engaging
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Subscription model may deter users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalized insights or reminders
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.
*** ON SALE 50% OFF FOR A LIMITED TIME *** Featured by Apple in "What's Hot" list Debt Payoff Pro will help you to payoff all your debts using the popular Debt-snowball method. The debt-snowball method is the primary debt management technique taught and recommended by many financial experts. Using this approach, you would pay the minimum payments on all your debts until your first debt is payoff. Then you would use the extra payment from the paid off debt and apply it to the next debt. The amount of extra payment will grow as more debts are payoff which results in a "snowball" affect that will help you to payoff subsequent debts faster and increasing your confidence in the process. * Bonus Calculator Apps Included - Payoff Date Calculator - Mortgage Calculator - Loan Calculator FEATURES * Universal Binary - Designed for iPhone, iPod Touch, and iPad devices. No need to buy separate apps for each device. * Multiple Debts Tracking - Track unlimited number of debts. * Multiple Payoff Strategies - Lowest Balance First - Highest Balance First - Highest Interest First - Custom Ordering * Debt Payment Tracking - Tracking your debt payment is as simple as highlighting the payment from the payment schedule. * Extra Payment Support - Make extra principal payments to pay off your debts faster. * Charts and Reports - See your total debts, debts remaining, total interest paid, total interest saving, debt payoff date, and debt payoff time savings via charts and reports. * Percent Paid Progress Bars - Progress bar for each debt helps motivate you toward paying off your debts. * Payment Due Date Notification - Reminds you when payments are due. You can also set the time of day that you want to be notified. * Amortization Table - A complete payment schedule allows you to view the interest, principal, and remaining balance for each and every payment of the loan. * Dynamic Custom Ordering of Debts - With the custom ordering strategy, you can dynamically change the order of debts payoff from the main screen and instantly see how it affects the total debt plus interest amount and the debt payoff date. * Payoff Date Calculator - Use the built-in calculator to see the how the monthly payment amount will affect the payoff date and total interest paid. * Passcode Security - Passcode protection to keep financial information private. * Export Capability - Export your payment list and amortization schedule in HTML format via email. * Large Number Keypad - Enter numeric amounts easier and faster with a large standard keypad. * Customization Settings and Icons - Configurable settings and beautiful debt icons to customize the application based on your preferences. * Debt Delete Lock - Prevents accidental deletion of debts and debt payment tracking. * Backup / Restore - Backup your data to your computer for safekeeping. Then restore it to your iOS device when you need to via the iTunes file sharing interface. * International Currency Supports - Currency support is based on the region setting of your device. * Clean, Intuitive User Interface * FREE Debt Payoff Lite Version - Not convinced if Debt Payoff Pro is right for you? Please download the free Debt Payoff Lite version and see for yourself.
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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.