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.
Managing your finances starts with understanding your Debt-to-Income ratio
$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.
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 Debt 2 Income Calculator: 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 struggle with understanding the calculations
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited input validation may lead to errors
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of customization options for users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Users want more financial insights
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.
Managing your finances starts with understanding your Debt-to-Income ratio. Debt to Income Calculator gives you a clear, instant picture of your financial health so you can make smarter money decisions. What is DTI? Your Debt-to-Income (DTI) ratio is the percentage of your monthly income that goes toward paying debts. Lenders use it to evaluate your ability to manage payments and take on new credit. A lower DTI means better financial health. CALCULATE YOUR DTI IN SECONDS Add your income sources and monthly debts, and get your DTI ratio instantly. The color-coded gauge makes it easy to see where you stand: • Green (below 36%) — Healthy • Yellow (36%–43%) — Caution • Red (above 43%) — At Risk LOAN SIMULATOR Thinking about a new car, mortgage, or personal loan? Use the built-in simulator to see how additional debt or income changes would affect your DTI before you commit. SMART FINANCIAL INSIGHTS Receive personalized, actionable suggestions based on your data. Find out exactly how much debt to reduce or income to add to reach a healthy ratio. VISUAL CHARTS See your finances at a glance with clear pie charts for debt and income breakdowns, plus a bar chart comparing total income versus total debt. SAVE MULTIPLE PROFILES Track different financial scenarios by saving profiles. Compare your DTI over time or plan for major life changes like buying a home or paying off student loans. FEATURES: • Instant DTI ratio calculation • Color-coded financial health gauge • Add, edit, and delete income and debt items • Quick-select common item names • Loan and income scenario simulator • Pie and bar charts with Swift Charts • Save and load multiple financial profiles • 10 currency options (USD, EUR, GBP, JPY, and more) • Tap-to-copy results • Dark Mode support • No account required — all data stays on your device • No ads, no subscriptions, no third-party tracking Whether you are preparing for a mortgage application, paying down credit cards, or simply want to understand your finances better, Debt to Income Calculator is the straightforward tool you need. Download now and take control of your financial health. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
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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.