Fintech
True-Cost Loan Comparator
Compare loans by total cost including fees, not just the headline rate
Beginner8h1–2
Next.jsChartsLLM
17/20EMI Affordability Checker
See whether an EMI fits your budget before you buy.
Beginner6h1 person16/20 fit
Build EMI Affordability Checker for people considering emi purchases in ~6h with 1 person. Stack: Next.js + Charts.
Why it wins: Simple and responsible financial guidance.
Build flow
01 · Problem
No-cost EMIs encourage purchases that strain monthly budgets.
02 · Solution
Enter income, existing EMIs and expenses, then the new purchase, and see the debt-to-income ratio, buffer left and a stress test.
03 · Build
- 1Collect inputs
- 2Compute ratios
- 3Show traffic-light result
- 4Suggest saving plan
04 · Demo
Show a phone EMI pushing the user into the red zone.
MVP checklist
- Debt ratio
- Buffer chart
- Stress test
- Savings alternative
Tech stack
| Tech | Role | |
|---|---|---|
| Next.js | Frontend + API routes | Web |
| Charts | Data visualisation | UI |
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