
PropertyAnalyzer Pro – Real Estate Investment ROI Calculator (iOS SwiftUI)
PropertyAnalyzer Pro is a professional iOS application built with SwiftUI that helps real estate investors instantly analyze rental property deals.
Buying a property is often a 100,000€+ decision. This app allows users to calculate cashflow, ROI, cap rate and mortgage payments in seconds – without spreadsheets.
Key Features
- Monthly & Annual Cashflow Calculation
- ROI (Return on Investment) %
- Cap Rate
- Cash-on-Cash Return
- Mortgage Payment Calculator (Amortized)
- Vacancy-adjusted Rental Income
- Deal Rating System (Good / Average / Bad Investment)
- Portfolio Management (Multiple Properties)
- Modern Dark Mode UI
- Offline First – No Internet Required
Built For
- Real Estate Investors
- Landlords
- Property Flippers
- Airbnb Investors
- Financial Freedom Seekers
Investment Metrics Included
- Purchase Price
- Down Payment
- Interest Rate
- Mortgage Length
- Monthly Rent
- Vacancy Rate
- Monthly Expenses
- Appreciation Rate
All calculations are handled by a structured Investment Engine separated from UI logic (clean architecture).
Tech Stack
- Swift 5+
- SwiftUI
- MVVM Architecture
- SwiftData (Local Persistence)
- Swift Charts
- Combine
- Xcode 15+
- iOS 17+
Architecture
- Models Layer (Property, Mortgage)
- Investment Calculation Engine
- Observable ViewModels
- Reusable UI Components
- Clean Separation of Concerns
The project is structured for scalability and easy feature expansion.
Monthly Running Costs
0€ per month.
- No backend required
- No server
- No database hosting
- No API costs
- Fully offline application
Optional future upgrades (CloudKit, Firebase, AI features) can be added easily.
⚡ Why This App Sells
- Solves a real financial decision problem
- Clear ROI visualization
- Investors are willing to pay for clarity
- Perfect for App Store monetization (one-time purchase or subscription)
- Professional finance niche
What You Get
- Full Xcode Project
- Clean & Documented Code
- Ready for App Store Submission
- Modern SwiftUI Design
- Portfolio Feature Included
Possible Future Extensions
- What-If Scenario Simulator
- IRR Calculation
- PDF Report Export
- Cloud Sync
- Airbnb Mode
- Property Comparison Tool
Support
Well-structured codebase makes customization simple. Perfect for developers who want to launch a finance niche app quickly.
If you have any questions, feel free to reach out.