Fintech
EMI Affordability Checker
See whether an EMI fits your budget before you buy
Beginner6h1
Next.jsCharts
16/20True-Cost Loan Comparator
Compare loans by total cost including fees, not just the headline rate.
Beginner8h1–2 people17/20 fit
Build True-Cost Loan Comparator for first-time borrowers in ~8h with 1–2 people. Stack: Next.js + Charts + LLM.
Why it wins: Simple maths that protects people from bad loans.
Build flow
01 · Problem
Low advertised rates hide processing fees, insurance add-ons and prepayment penalties.
02 · Solution
Enter loan offers or paste their terms, compute effective annual cost and total repayment and show which offer is actually cheapest.
03 · Build
- 1Build the calculator
- 2Parse terms with an LLM
- 3Compute effective cost
- 4Chart results
04 · Demo
Compare two offers where the lower rate is the more expensive loan.
MVP checklist
- Fee-aware APR
- Total repayment
- Side-by-side chart
- Terms parser
Tech stack
| Tech | Role | |
|---|---|---|
| Next.js | Frontend + API routes | Web |
| Charts | Data visualisation | UI |
| LLM | Language model | AI |
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