GRI Calculator vs Shiftolic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GRI Calculator
This professional tool helps healthcare providers quickly and accurately calculate the Glycemia Risk Index (GRI) using CGM data. It provides visual risk assessments and educational resources for comprehensive diabetes management.
- Instant GRI Calculation
- Multi-Point Plotting
- Visual Risk Assessment
- Interactive Plot Visualization
- Evidence-Based
- Reference Ranges
- Educational Resources
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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.
Shiftolic
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Shiftolic is an all-in-one physician shift marketplace designed to simplify how locum doctors, healthcare facilities, and staffing agencies manage and fill shifts. App features include an AI Powered Physician Shift Marketplace, Locum Doctor Calendar Management, Photo Identification and AI assisted Credentialing, Shift Analytics, Luna AI Shift Assistant, Messaging and more. Built by physicians, Shiftolic replaces fragmented tools like emails, spreadsheets, and messaging apps, expensive agencies with a seamless, modern platform for Locum Physician job searching, staffing, and workforce management.
Screenshots
Verdict
GRI Calculator and Shiftolic are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GRI Calculator ships an update every 5 weeks, Shiftolic every 3 weeks. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.
| Parameter | GRI Calculator | Shiftolic |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 18 MB | 64 MB |
| Age rating | 12+ | 4+ |
| Developer | Diabetes Technology Society | Shiftolic |
In-app purchases
GRI Calculator
No in-app purchases
Shiftolic
No in-app purchases









