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Gravity Investor
Practical tools for serious investors

Our Objective

Provide clear, actionable tools and services that help investors succeed in:

We keep things simple, fast, and accurate so you can focus on decisions—not spreadsheets.

Trading Profit Calculator

Estimate compounding results with flexible trading cadence.

PWA Offline Installable

Open Tool

One Percent Rule Calculator

Check quickly if a rental property meets the 1% rule and how far off it is.

Real Estate Quick Check

Open Tool