Cap Stacks
Business
$9.99 · Designed for iPad. Not verified for macOS.
Cap Stacks helps developers and investors analyze real estate deals fast with capital stack modeling, returns, charts, and export-ready summaries.
Cap Stacks: Professional Real Estate Underwriting & Deal Structuring
Stop relying on clunky spreadsheets when you’re away from your desk. Cap Stacks brings the power of institutional-grade real estate financial modeling to your iPhone. Designed specifically for developers, underwriters, and investment professionals, Cap Stacks allows you to structure complex deals, visualize capital stacks, and calculate investor returns in seconds.
Whether you are analyzing a multi-family development in Long Island City or a quick commercial renovation, Cap Stacks provides the precision you need to make go/no-go decisions on the fly.
VISUALIZE YOUR CAPITAL STACK
Move beyond rows and columns. Our interactive Capital Stack visualizer gives you a clear, color-coded breakdown of your deal structure.
Layered Analysis: Instantly see the relationship between Senior Debt, Preferred Equity, and Common Equity.
Sources & Uses: Track every dollar from acquisition to completion with automated budget breakdowns.
Loan Metrics: Monitor LTV, LTC, and Loan per SF to ensure your deal meets lender requirements.
POWERFUL WATERFALL ENGINE
Structure complex investor returns with ease. Cap Stacks handles the heavy lifting of distribution logic.
Preferred Returns: Set custom hurdles and multipliers (e.g., 1.3x MOIC) and watch the app calculate the "sweep" logic automatically.
XIRR & MOIC: Get instant feedback on project performance with time-weighted and multiple-on-capital return metrics.
Equity Proceeds: See exactly how sales proceeds are distributed across your stack after selling costs.
COMPREHENSIVE DEAL SETUP
Input your assumptions as fast as you can think of them.
Unit Mix & Income: Model "For Sale" condos and "For Rent" commercial units in a single deal.
Budgeting: Account for renovation costs, architectural fees, permitting, and mortgage interest with granular precision.
Dynamic Assumptions: Toggle interest rates, selling costs, and exit prices to stress-test your deal.
WHY CAP STACKS?
FOR DEVELOPERS:
Underwrite deals during site visits or meetings.
Professionalize your pitch with clean, exported deal sheets.
Keep your "Sources & Uses" perfectly in balance.
FOR INVESTORS:
Quickly verify a sponsor’s math.
Understand your position in the capital stack and your downside protection.
Visualize your potential MOIC and XIRR across different exit scenarios.
KEY FEATURES:
Clean UI: Styled like a high-end Excel workbook but optimized for touch.
Real-Time Updates: Change one assumption and see the entire waterfall update instantly.
Credit Metrics: Track (Loan + Pref) per Sq Ft to understand your total leverage.
Proforma on the Go: Professional-grade modeling without the need for a laptop.
Take control of your deal structure. Download Cap Stacks today and underwrite with confidence.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Updated the UI, bug fixes and added more charts.
The developer, Matthew Sawyer, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Matthew Sawyer
- Size
- 10.5 MB
- Category
- Business
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Matthew Sawyer
