BOE

The back of the envelope,
now on your phone.

The fastest way to screen multifamily real estate deals. Levered IRR, equity multiple, DSCR, and cash flows in seconds.

What You Get

01

Full Deal Underwriting

Revenue, expenses, financing, exit assumptions — a complete operating model from a single screen.

02

Return Metrics

Newton-method IRR solver runs instantly. See both levered and asset-level returns side by side.

03

Sensitivity Analysis

Heat-mapped 4×4 matrix across exit cap and rent growth. Red to green — know where the deal breaks.

04

Save & Compare Deals

Save unlimited deals. Select any number and compare side by side in a scrollable table.

05

Historical Pre-fill

Select past deals, average their assumptions, and pre-fill a new analysis in one tap. Underwrite the next deal faster.

06

PDF Export

Generate a branded deal summary PDF and share it via any app — email, Slack, AirDrop.

Free vs Pro

Free
BOE
$0 forever
  • + Full calculator with every metric
  • + Year 1 operating summary
  • + Capital Stack & Sources / Uses
  • + 3 saved deals
  • + JSON import / export
Pro
BOE Pro
$14.99 /mo  ·  $99.99 /yr
  • + Everything in Free
  • + Annual cash-flow navigation
  • + Sensitivity table
  • + Side-by-side deal comparison
  • + Historical Pre-fill
  • + PDF export
  • + Unlimited saved deals

On Your Phone

BOE calculator home screen showing L-IRR, Unlevered IRR, Equity Multiple, and Total Profit
Calculator
BOE Pro sensitivity matrix — Levered IRR heat map across exit cap and rent growth
Sensitivity
BOE Saved Deals with Comp Average preview and Apply to Calculator button
Historical Pre-fill