CKD Staging & eGFR Calculator

Calculate eGFR and CKD staging

Only for iPhone

$2.99 · Designed for iPhone. Not verified for macOS.

iPhone

Calculate eGFR, BSA and CKD staging in seconds using KDIGO guidelines. Visualize kidney risk categories and generate clear summaries for education and reference. CKD Staging & eGFR Calculator – Kidney Risk Understand kidney-related lab values and risk categories in seconds. Kidney Risk Calculator helps you calculate estimated Glomerular Filtration Rate (eGFR) using established clinical equations and visualize chronic kidney disease risk categories based on KDIGO guidelines. The app supports both CKD-EPI 2021 (revised) and CKD-EPI 2009 (original) formulas, adjusts for Body Surface Area (BSA), and displays KDIGO risk using the standard heatmap model. Designed as an educational and reference tool for patients, caregivers, students, and healthcare professionals. This app is intended for educational and informational use only and is not designed to diagnose, treat, or monitor medical conditions. One-time purchase. No subscriptions. No ads. No tracking. Key Features • eGFR Calculator (CKD-EPI 2021 + 2009) Estimate eGFR using both CKD-EPI equations. View results as normalized (per 1.73 m²) or absolute values adjusted for actual body surface area. • Body Surface Area (BSA) Calculator Estimate BSA using the Mosteller formula and understand how body size influences eGFR interpretation. • KDIGO Risk Matrix (CKD Staging Heatmap) Visualize chronic kidney disease risk categories using the KDIGO GFR/UACR matrix for clear interpretation of results. • Physique Adjustment Warnings Provides context where body composition may influence creatinine-based eGFR interpretation. • PDF Summary Export Generate a one-page summary for personal reference or discussion with a healthcare provider. Based on Trusted Clinical Standards • CKD-EPI 2021 Revised Equation • CKD-EPI 2009 Original Equation • Mosteller BSA Formula • KDIGO 2012 Clinical Practice Guidelines Privacy & Data Security No account required. Your data stays on your device and is never shared or stored externally. Exports are user-initiated and local to your device. Medical Disclaimer This app is for informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease. Results are based on user-entered values and established clinical equations and do not constitute medical advice. Always consult a qualified healthcare professional before making medical decisions.

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The developer, Eric Fayeski, 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.

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    Accessibility

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    Information

    Seller
    • Eric Fayeski
    Size
    • 965.6 KB
    Category
    • Medical
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    • English
    Age Rating
    16+
    Copyright
    • © 2026 Eric Fayeski
  • Privacy Policy

    • Supports

    • Family Sharing

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

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