Real Math for Your Real Money.
Your bank balance is none of our business. 100% local calculation. Zero cloud tracking. Tip splits, tax-adjusted salaries, loan payoffs - answered in seconds.
Six Tools. One Mission.
Covering the financial decisions you face every single week
Tip & Bill Split
Calculate exact tips (pre-tax or post-tax) and split any bill perfectly between any number of people.
Discount & Price Comparison
Enter two products with their prices, sizes, and discounts. We show you the true unit price and which is the smarter buy.
Salary After Tax
Input your gross salary and region. See your real take-home pay - broken down monthly and hourly.
Loan & Mortgage Optimizer
See total interest costs, compare loan terms, and discover how extra payments could save you thousands.
Mortgage vs. Rent (2026)
Model buy vs. rent with local-first math, break-even context, and an optional embed for your blog.
Ratio & Proportion Helper
Scale recipes, mixing ratios, or class percentages instantly. Perfect for cooking, DIY projects, and students.
AI Decision Insight
Pro feature: after every calculation, get a one-sentence human verdict. Not just numbers - real clarity.
Frequently Asked Questions
How is this different from my phone's default calculator?
Is my financial data safe?
What does the Pro plan unlock?
Do you offer refunds?
Privacy-first finance, in your pocket
Local-first by design: instant results, no cloud tracking, and optional history sync only when you sign in.