Lagom Fin

Level up your money IQ — one question at a time.

Financial literacy quizzes, calculators, and real-world scenarios. Runs entirely on your device. No account. No ads. No data collected.

Five levels

Budgeting → Saving → Investing → Taxes → Retirement. Each level is ten questions with a plain-English explanation after every answer.

Ten real calculators

Compound interest, loan payment, Rule of 72, inflation impact, emergency fund size, time to $1M, retirement goal, debt-to-income, tax bracket, savings rate.

Interactive scenarios

Six what-if simulators with live projections. See how contributions compound across decades, or how aggressive payments clear a loan early.

Private by design

Every question, calculation, and note stays on your device. No analytics. No trackers. No account required.