A sandbox for modeling financial events over time

See the impact and directionality of financial decisions using time-based modeling and what-if scenarios.

Built for the everyday user.

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Single Event Calculator

Explore one decision. See what changes.

Jump straight into a blank timeline and model a single financial choice from scratch—like renting vs. buying, taking on debt, or increasing contributions.

Adjust assumptions, see how outcomes evolve over time, and get intuition for direction and tradeoffs.

No accounts, no onboarding, no commitment—just a fast way to answer “what if?”

Open Calculator

Financial Timeline and Decision Analysis

See how everything connects—past, present, and future.

Create a personalized financial timeline that brings your income, savings, debt, and goals into one connected view.

From there, model decisions in context and see how each choice ripples across everything else over time.

This is where isolated decisions become a coherent plan—and where clarity compounds.

Open Timeline

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Education & Early Career

See how student loans, salary paths, or grad school decisions shape your long-term trajectory.

Lever Education

APR vs APY (Simple)

If you’ve ever looked at a credit card, a savings account, or a loan offer, you’ve probably seen these two terms: APR (Annual Percentage Rate) APY (Annual Percentage Yield) They look almost identical. They’re usually close in number and most people just assume they mean the same thing. They don’t. But the difference isn’t complicated once you see it in real life. A simple way to think about it APR tells you the base yearly interest rate. APY tells you what actually happens ov

2 min read

Does 5 Years Really Matter?

There’s a Chinese proverb I really like: The best time to plant a tree was 20 years ago. The second best time is now. It’s a gentle reminder that timing matters — but so does beginning. Let’s make this a little more concrete. Two friends, one small difference Imagine you and a friend both invest: $500 per month In a simple diversified portfolio Earning an average 7% annual return Until age 65 The only difference is when you start. You start at 25 Your friend starts at 30 That