# Rad Index

> Education

Canonical page: [https://chrome-stats.com/d/id6770671896](https://chrome-stats.com/d/id6770671896)

## Overview

- **ID:** `id6770671896`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Simone Zen
- **Category:** Education
- **Version:** 1.0.2
- **Last updated:** 2026-07-24
- **First published:** 2026-06-30
- **Size:** 43 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/rad-index/id6770671896)
- **Website:** [https://radindex.app](https://radindex.app/)
- **Privacy policy:** [https://radindex.app/privacy.html](https://radindex.app/privacy.html)

## Description

Radiographic positioning reference app for Radiographers, Radiologic Technologists and Radiography students. 147 clinical projection cards with separate DR and CR technical parameters, calculators, spaced repetition flashcards and ALARA checklist — all offline.

Built by a practicing Radiographer (TSRM). Clinical content peer-reviewed twice. Available in Italian, English and Spanish.

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RADIOGRAPHIC PROJECTIONS
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147 cards across 8 anatomical regions:

• Chest — PA, lateral, obliques, trauma variants (cross-table, supine)
• Skull — PA, lateral, Waters, Caldwell, Towne, skull base, mastoids, orbits, sinuses
• Spine — cervical, thoracic, lumbar, sacrum, coccyx; trauma and stretcher variants
• Upper limb — fingers, hand, wrist, forearm, elbow, humerus, shoulder, clavicle, sternum, scapula
• Lower limb — toes, foot, calcaneus, ankle, tibia/fibula, knee, femur, hip, pelvis, patella
• Abdomen — supine, erect, decubitus
• Pelvis — AP, oblique projections
• Long bone stitching — full spine, full limb

Each card: patient positioning, centering point, separate DR and CR parameters, image quality criteria, common errors, practical clinical notes.
Collapsible DR/CR/PSP guide with Deviation Index (DI) formula and grid frequency table.

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STUDY & REVIEW
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• Flashcards with spaced repetition
• 3 cards per projection: centering, DR parameters, patient position
• Automatic daily sessions based on performance
• Ideal for registry exams and clinical placement

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STUDY TOOLS
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• Interactive ALARA checklist (ICRP 147/2021)
• Personal notes for each projection with auto-save
• PDF export and share with zone-coloured header
• Radiological glossary (All / Technical / Anatomy tabs)

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DESIGN & USABILITY
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• Full dark mode with dedicated zone colours
• Adjustable text size: S / M / L / XL
• Works completely offline
• Available in Italian, English and Spanish
• Quick search with filters (zone, level, notes) and history
• Favourites and recents on home screen

14-day free trial — no card required.
Then a one-time purchase of €9.99. No subscription, ever.

## Rankings

- #1,803,550 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6770671896)