App Overview

Debt To Income Calculator icon

Debt To Income Calculator

Rukshan Marapana · Finance

This app was designed to aid you to determine how much debt you could afford compared to your existing income

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
2.8
5 ratings · Below Average

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.

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What's included16 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

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.

Screen plan

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.

Differentiate and validate

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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Debt To 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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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

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

Add budgeting tools and expense tracking.

Assumption to check: Limited features and functionality

Validate with people who use this workflow before building.

Hypothesis 2

Focus on user experience and improve UI.

Assumption to check: Poor user ratings and reviews

Validate with people who use this workflow before building.

Hypothesis 3

Include charts and graphs for better insights.

Assumption to check: Lack of data visualization

Validate with people who use this workflow before building.

Hypothesis 4

Simplify calculations and add tutorials.

Assumption to check: Not user-friendly for non-financial users

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

This app was designed to aid you to determine how much debt you could afford compared to your existing income. This app will tell you the ratio between your current income and debt. What is a debt-to-income ratio? Debt to income ratio (DTI) is the amount of your total monthly bills divided by how much money you make a month. It allows lenders to determine the likelihood that you would be able to repay a loan. For instance, if you pay $2,000 a month for a mortgage, $300 a month for an auto loan and $700 a month for the rest of your bills, you have a total monthly debt of $3,000. If your gross monthly income is $7,000, you divide that into the debt ($3,000 / 7,000) and your debt-to-income ratio is 42.8%. Most lenders would like your debt-to-income ratio to be under 35%. However, you can receive a qualified mortgage with as high as a 43% debt-to-income ratio. According to the Federal Reserve Board, the household debt service payments and financial obligations as a percentage of disposable personal income was 10.1% in the first quarter of 2017. That is down from the high of 18.1 in December of 2009. The ratio is best figured on a monthly basis. For example, if your monthly take-home pay is $2,000 and you pay $400 per month in debt payment for loans and credit cards, your debt-to-income ratio is 20 percent ($400 divided by $2,000 = .20). Put another way, the ratio is a percent of your income that is pre-promised to debt payments. If your ratio is 40%, that means you have pre-promised 40% of your future income to pay debts. Why Debt-To-Income Ratio % Matters While there is no law establishing a definitive debt-to-income ratio that requires lenders to make a loan, there are some accepted standards, especially as it regard federal home loans. For example, if you qualify for a VA loan, the department of Veteran Affairs guidelines suggest a 41% debt-to-income ratio. FHA loans will allow for a ratio of 43%. It is possible to get a VA or FHA loan with a higher ratio, but only when there compensating factors. The ratio needed for conventional loans varies, depending on the lending institution. Most banks rely on the 43% figure for debt-to-income, but it could be as high as 50%, depending on factors like income and credit card debt. Larger lenders, with large assets, are more likely to accept consumers with a high income-to-debt ratio, but only if they have a personal relationship with the customer or believe there is enough income to cover all debts. Remember, evidence shows that the higher the ratio, the more likely the borrower is going to have problems paying.

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
react-navigation
@react-native-async-storage/async-storage
axios
react-native-paper
BUILD KIT DIFFICULTY
Starter

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.