Instant Calculations as You Type
As you enter property details, a live calculations panel computes 27 key metrics across 5 categories — automatically, with every keystroke. Every metric links to a detailed walkthrough showing exactly how it's calculated.
Purchase Summary
Loan Summary
Monthly NOI
Monthly Cash Flow
Key Metrics
27 Metrics Across 5 Categories
Every metric recalculates instantly as you change any input. Here's what the calculations panel tracks:
Your total cash to close. Know exactly how much capital you need before making an offer.
Includes: Purchase Price, Down Payment, Closing Costs, Seller Concessions, Rent Ready Costs, Total Cash Needed
Monthly mortgage obligation broken down into principal, interest, and PMI.
Includes: Loan Amount, Monthly P&I, Monthly PMI, Total Monthly Payment
Net Operating Income — rental income minus all operating expenses. The metric lenders and appraisers rely on most.
Includes: Gross Rent, Other Income, Vacancy, Effective Income, Taxes, Insurance, HOA, Utilities, Maintenance, Management, CapEx, Other Expenses, Net Operating Income
The bottom line — NOI minus debt service. Green means money in your pocket each month.
Includes: NOI, Mortgage (P&I), PMI, Cash Flow Before Tax
Three quick-check ratios every investor uses to screen and compare deals.
Includes: Cap Rate (NOI ÷ Property Value), Cash-on-Cash Return (Annual Cash Flow ÷ Total Cash Invested), Rent-to-Price Ratio (Monthly Rent ÷ Purchase Price)
Every Metric Is a Clickable Walkthrough
Each metric name in the calculations panel links to a detailed page showing exactly how that calculation is performed. Learn the formula behind every number so you can verify it yourself.
Rental Property Calculator (sold separately) populates walkthroughs with your property's actual numbers.
Property Bookkeeping Features
Explore what Property Bookkeeping can do for you.
Income Tracker
Record every dollar of rental income by property and category. Rent, late fees, pet fees, parking, laundry, and more.
Learn more →Expense Tracker
Categorize every expense using IRS Schedule E line items. Repairs, insurance, taxes, management, mortgage interest, and more.
Learn more →Tax Reports
Generate Schedule E-aligned reports organized by line item. Income by category, expenses by line, net income per property.
Learn more →AI Contract Review Pipeline
Analyze CPA engagement letters and tax documents with a 5-step AI pipeline: plain English, risks, obligations, negotiation playbook, and executive brief.
Learn more →See Every Number, Instantly
Every app you purchase includes the live calculations panel. Enter property data and watch 27 metrics update in real time — no manual spreadsheets, no waiting.