Zinshaus: Rental Property ROI

Rental Yield & Cashflow Calc

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

NEW: Zinshaus in your browser at app.zinshaus.app – your properties in sync on phone & PC. Rental yield, cash flow, depreciation & Anlage V in minutes. Start free! Calculate return on equity, cash flow and rental yield for your German property investment in under 2 minutes. Zinshaus is the real estate calculator for landlords and investors buying in Germany – built around German tax rules, transfer tax and financing. Note: the app is not a substitute for professional financial or tax advice. PLEASE NOTE: the app interface and all AI analyses are in German. Zinshaus models the German market (Grunderwerbsteuer, AfA depreciation, Spekulationssteuer) and is aimed at people investing in Germany. REAL ESTATE CALCULATOR FOR LANDLORDS AND INVESTORS From purchase price, rent and financing, Zinshaus computes: • Gross rental yield, net rental yield and return on equity • Monthly and annual cash flow, before and after tax • Professional metrics such as NOI, DSCR and LTV ratio • Dynamic return metrics: IRR, NPV and cash-on-cash return • Risk analysis with stress tests and exit scenarios (Premium) PURCHASE COSTS CALCULATED AUTOMATICALLY • Real estate transfer tax by federal state • Notary and land registry fees • Agent commission and other acquisition costs • Standard land value to split land from building FINANCING AND AMORTISATION • Annuity loans with interest, amortisation and extra repayments • Fixed-rate period and follow-up financing at a glance • Remaining debt at the end of the fixed-rate period • Loan-to-value ratio for the conversation with your bank CAPEX MANAGEMENT • Maintenance: immediately deductible repair costs • Modernisation: value-adding, with flexible depreciation • German 15% rule for post-purchase renovation, counted from the purchase date TAX OPTIMISATION (Premium) • Several depreciation methods: straight-line, declining, by building age • Detailed speculation tax calculation • Tax planning with a 10-year projection AI ANALYSES (Premium) • Automatic property assessment powered by artificial intelligence • Yield, location and risk analysis in plain language • Personalised optimisation suggestions DATA VISUALISATION (Premium) • Cash flow forecast: 10 years with monthly granularity • Equity build-up: see your wealth grow over time • Amortisation schedule: principal and interest split MANAGEMENT AND TAX • Anlage V (German rental income tax form): values per property or for your whole portfolio, with line numbers, as PDF or CSV (Premium) • Planned vs. actual: real rent and costs per month against your plan • Deadlines: end of the fixed-rate period and the 10-year speculation period, with reminders (Premium) • Save and compare properties – unlimited with Premium • Photos and notes per property • Location map with infrastructure analysis (Premium) • PDF export for bank meetings WHO ZINSHAUS IS FOR • First-time buyers checking their first flat as an investment • Landlords with a portfolio who want to compare properties properly • Investors underwriting apartment buildings • Anyone who wants to know the numbers before the notary appointment PHONE + BROWSER • Zinshaus now also runs in your browser: app.zinshaus.app • With an account, the same properties stay in sync on iPhone, iPad and computer • Sign in with Apple, Google or email PRIVACY AND SECURITY • Calculations run directly on your device, even offline • Saved properties are stored encrypted in the cloud so they are available on all your devices • Consent to the privacy policy is required ZINSHAUS PREMIUM Premium is an auto-renewing subscription billed through your App Store account. It renews automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel it at any time in your account settings. Questions or feedback: info@zinshaus.app Privacy policy: https://zinshaus.app/datenschutz Terms of use: https://zinshaus.app/agb

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ZINSHAUS IN YOUR BROWSER Your properties are also available at app.zinshaus.app – in sync on phone and computer with your account. MORE ACCURATE ANLAGE V • Line numbers for the 2025 tax form • In the purchase year, rent, depreciation, interest, Umlagen and operating costs are prorated • Immediately deductible maintenance only shows up in the purchase year • Loan interest follows the repayment plan beyond the projection horizon TAX AND DEADLINES • 15% rule: the three years now count from the purchase date instead of calendar years, and the investment plan feeds into the check • Purchase on 29 Feb: speculation period, fixed-rate end and the three-year window end on 28 Feb • The speculation period reminder now names the first tax-free day • Church tax counts as a special expense in the marginal tax rate • The detail screen explains the solidarity surcharge phase-in zone MORE FIXES • Actuals land in the right month regardless of time zone • Parking space rent is part of the planned rent • Portfolio remaining debt and LTV follow the repayment plan • Management cost default per ImmoWertV • Editing a saved calculation keeps its investment plan Feedback? Write to info@zinshaus.app – we read every message.

Version 1.29.0

The developer, Daniel Sogl, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • VoiceOver

    • Voice Control

    • Larger Text

    • Dark Interface

    • Differentiate Without Color Alone

    • Sufficient Contrast

    • Reduced Motion

For more information, visit the developer’s accessibility website .

Information

Seller
Daniel Sogl
Size
77.9 MB
Category
Finance
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • iPad
    Requires iPadOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
German
Age Rating
4+
In-App Purchases
Yes
  • Zinshaus Premium · Vermieter $24.99
  • Zinshaus Premium · Rendite $3.99
  • Learn More
Copyright
© 2026 Daniel Sogl
  • Developer Website
  • Privacy Policy
  • License Agreement

    • More by Daniel Sogl

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