apitpi Tools

100% free · no signup · private

Money decisions,
made clear.

Honest, fast calculators for mortgages, loans, savings and retirement. No ads-first clutter, no email walls — every number runs privately in your browser.

Estimated monthly payment

$2,023

$320,000 loan · 30 yr · 6.5%

Principal & interest$2,023
PrincipalTaxInsurance
Private by design

Calculations never leave your device.

Instant & free

No accounts, trials, or paywalls — ever.

Accurate maths

Standard formulas, shown transparently.

All calculators

8 tools, more on the way

Loans & Mortgage

Mortgages, auto loans, payoff plans.

Savings & Investing

Compound growth and savings goals.

Retirement

Plan for 401(k) and long-term goals.

Income & Debt

Take-home pay and debt strategies.