Rental Property Calculator ROI

MB Code Studio

In-app purchases

About this app

Rental Property Calculator is the fastest, most accurate tool for real estate investors to analyze cash flow, ROI, and cap rate. Whether you're evaluating a single-family home, duplex, triplex, or quadplex, get the numbers you need to make smart investment decisions—in real-time as you type.

Designed for both beginners and seasoned investors, this app breaks down complex metrics into a clean, easy-to-read format so you can spot a great deal (or a bad one) immediately.

Why This App?

No Ads & No Login Required: Start analyzing deals immediately. No annoying interruptions or forced sign-ups. Your data stays private on your device.
Real-Time Analysis: See Cash Flow, Cash-on-Cash Return, and NOI update instantly as you type—no tapping a "calculate" button.
Free to Start: Analyze unlimited deals! Save and share up to 3 properties at no cost.

🔓 Premium Unlock: Save unlimited properties and share full PDF analyses with lenders, partners, and agents. One-time purchase—no subscriptions, ever.
Key Features:

🏠 Multi-Unit Support (1–4 Units) Unlike basic calculators, we fully support multi-family properties. Input separate rent rolls for Unit A, B, C, and D to get an accurate picture of your total potential rental income.

📊 Advanced Financial Metrics Go beyond simple cash flow. Automatically calculate the essential numbers every real estate investor needs:

Cash Flow: Monthly and annual profit after all expenses
Cash-on-Cash Return (CoC): Your true return on investment
Cap Rate: The property's raw potential, independent of financing
NOI (Net Operating Income): Essential for determining property value
💸 Detailed Expense Tracking Don't get blindsided by hidden costs. Account for everything:

Vacancy Rates & Capital Expenditures (CapEx)
Property Management Fees (flat fee or % based)
Property Taxes, Insurance & HOA
Utilities & Maintenance
🏦 Smart Mortgage Calculator Built-in P&I (Principal & Interest) calculation with customizable loan terms, interest rates, down payments, and mortgage points/closing costs.

💾 Save & Compare (Premium) Build your deal library by saving potential properties to revisit later or compare side-by-side with other investments.

📤 Share Your Analysis (Premium) Share a full PDF, or text, summary of any property's performance directly from the app—ideal for working with lenders, real estate agents, and business partners.

Who Is This For?

Real estate investors evaluating Buy & Hold or BRRRR strategy deals
Landlords looking to expand their rental portfolio
Agents wanting to quickly analyze returns for clients
First-time buyers analyzing a house hack (duplex, triplex, or quadplex)

Download Rental Property ROI Calculator today and stop guessing—start analyzing with precision.

Disclaimer: This app is designed for educational and informational purposes only. Calculations are estimates based on the data you enter and do not constitute financial, legal, or real estate advice. Actual results may vary. Please consult a qualified professional before making investment decisions.

What’s new

Deal input optimizations
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