Bonds: Simplified

Finance

$9.99 · Designed for iPad

Professional bond analytics in your pocket. Price bonds, model MBS prepayments, compare scenarios, and analyze callable securities with real-time Treasury rates. Transform your fixed income analysis with professional-grade bond calculations in a stunning, redesigned interface. Bonds: Simplified delivers quality analytics directly to your iPhone, avoiding expensive services. COMPLETELY REDESIGNED EXPERIENCE • Beautiful, modern interface built with Apple's latest design principles • Intuitive navigation with enhanced visual clarity • Streamlined workflows that make complex calculations accessible • All your favorite features improved and easier to use ADVANCED MBS ANALYTICS Get insight into mortgage-backed securities that usually cost a lot more: • Comprehensive MBS parameter configuration with instant calculation results • Input pricing and see spreads and key performance metrics • Side-by-side prepayment sensitivity tables supporting both PSA and CPR methodologies • Prepayment modeling with sensitivity ranging from -300 to +300 basis points • Dynamic rate shock analysis comparing baseline speeds across interest rate environments • Horizon yield curve interpolation with customizable time horizons and rate movements • Rich graphical representations of periodic balances and projected income streams • Detailed amortization schedules showing scheduled principal, unscheduled principal, and period-by-period prepayment speeds ACCESSIBLE MARKET DATA • Pull US Treasury yield curve updates through modern API for accurate spread analysis • Seamless integration of current market rates into your calculations • Historical rate tracking for trend analysis • Change heat map over dynamic dates COMPREHENSIVE BOND TOOLS • New! Fixed-rate bullet bond calculator for traditional bond analysis • Multi-scenario comparison capabilities • Stress testing across various rate environments EDUCATIONAL RESOURCES Understanding the mechanics behind fixed income valuation is crucial. Bonds: Simplified not only performs the calculations but helps you understand the underlying assumptions and methodologies, making you a more informed analyst. Added the beginning of a much larger interactive learning library with interactive education as a driving focus. COMING SOON Continuous development brings new analytical capabilities based on user feedback, ensuring the app evolves with your professional needs. PERFECT FOR: • Fixed income analysts and portfolio managers • Financial advisors working with bond portfolios • Real estate professionals analyzing mortgage securities • Students and professionals learning fixed income markets • Anyone requiring professional bond analytics without institutional costs Bonds: Simplified democratizes professional fixed income analysis with the reliability and accuracy you demand. Important: All calculations and valuations are estimates for analytical purposes and should not be relied upon for actual investment transactions. Please consult with qualified financial professionals for investment decisions.

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Compare MBS bonds side-by-side and analyze prepayments like never before NEW: MBS BOND COMPARISON Compare two mortgage-backed securities simultaneously with fully configurable parameters. A unified rate slider shows how both bonds respond to interest rate changes, with instant delta calculations for price, yield, WAL, and duration. REDESIGNED PREPAYMENT ANALYSIS A streamlined interface brings rate shocks, horizon analysis, and scenario comparisons together in one view. Quick navigation lets you jump between sections, and smarter PSA bounds ensure realistic modeling. DELTA COMPARISON MODE New toggle between absolute and percentage changes when comparing rate shock scenarios. See exactly how metrics shift across different rate environments. ENHANCED ACCESSIBILITY Comprehensive VoiceOver support throughout the app. Every chart, table, and interactive element now provides rich descriptions, making professional bond analytics accessible to everyone. FASTER & MORE RELIABLE Optimized calculations with better memory management. Rate data refreshes intelligently while keeping yield curves current.

Version 2026.1

The developer, Steven Townsend, 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.

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

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Provider
      • Steven Townsend
    • Size
      • 6.5 MB
    • Category
      • Finance
    • Compatibility
      Requires iOS 26.0 or later.
      • iPhone
        Requires iOS 26.0 or later.
      • iPad
        Requires iPadOS 26.0 or later.
      • Mac
        Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 26.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © 2025 Steven Townsend
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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