GRI Calculator
Calculate Glycemia Risk Index
Free · Designed for iPad. Not verified for macOS.
GRI Calculator - Glycemia Risk Index - For Healthcare Professionals
Calculate the Glycemia Risk Index (GRI) quickly and accurately with this professional tool designed for clinicians managing patients with diabetes.
Overview
The GRI Calculator enables healthcare providers to assess glycemic control quality by analyzing continuous glucose monitoring (CGM) data. Simply input the percentage of time spent in VLow, Low, VHigh, and High glucose ranges from a standard 14-day Ambulatory Glucose Profile (AGP) report.
Key Features
Instant GRI Calculation - Get immediate results with hypoglycemia and hyperglycemia component breakdowns
Multi-Point Plotting - Plot multiple patients or multiple points over time
Visual Risk Assessment - View color-coded risk zones from A (minimal risk) to E (severe risk)
Interactive Plot Visualization - See the GRI plotted on a clear, easy-to-read graph
Evidence-Based - Built on peer-reviewed research published in the Journal of Diabetes Science and Technology
Reference Ranges - Quick access to glucose range definitions for VLow, Low, VHigh, and High
Educational Resources - Comprehensive reference section with links to relevant scientific articles
Professional Use
This calculator is intended for use by healthcare professionals as part of comprehensive diabetes management. GRI values help clinicians quickly identify patients who may need treatment adjustments, providing a standardized metric for assessing glycemic variability and risk.
Privacy First
No personal or patient data is collected, stored, or transmitted. All calculations are performed locally on your device.
Important Note
This app is for informational and educational purposes only. It should not replace clinical judgment or be used to make treatment decisions without proper medical consultation. Always base clinical decisions on complete patient assessment.
Ratings & Reviews
The Multi-Calc has been added to allow plotting of multiple GRI points.
The developer, Diabetes Technology Society, 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
- Diabetes Technology Society
- Size
- 18.6 MB
- Category
- Medical
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
- Copyright
- © 2025 Diabetes Technology Society