Download QuizRadar

Every installer is compiled from public source by GitHub Actions and published with SHA256SUMS.txt on GitHub Releases. Zero accounts, zero telemetry, MIT licensed.

macOS

Apple Silicon (arm64)

macOS 13 Ventura or newer · Apple Silicon

Native macOS app with Keychain security, menu bar access, and quiet background sync.

QuizRadar_5.15.1_aarch64.dmg

Android

Android 8.0+ (arm64 & x86_64)

Android 8.0 or newer

Native Android app featuring a 2×1 home-screen countdown widget, exam reminders, and share-sheet quick import. Google PKCE sign-in works out of the box; for Microsoft Teams, add your Azure public client ID (redirect com.quizradar.app://oauth/microsoft) in Settings → Sources.

QuizRadar-v5.15.1.apk

Web Companion (PWA)

WebAssembly + IndexedDB

Any modern desktop or mobile browser · Works offline after first load

Runs the exact same quizradar-core engine compiled to WebAssembly. Uses ephemeral 1-hour Google Identity tokens in memory and standard .ics export.

Open Web Companion

First-time installation & security notes

QuizRadar is 100% free, MIT-licensed, and compiled from public source code by GitHub Actions CI. Because artifacts are released directly without proprietary commercial signing certificates, your OS may show a standard first-time security prompt.

Windows Defender SmartScreen

If a blue “Windows protected your PC” card appears: click More info, then click Run anyway. You can independently verify the hash of QuizRadar_5.15.1_x64-setup.exe against SHA256SUMS.txt below.

macOS Gatekeeper

If macOS displays “QuizRadar cannot be opened because Apple cannot check it”: right-click QuizRadar.app in your Applications folder and click Open, or go to System Settings → Privacy & Security and select Open Anyway.

Android APK Sideload

When downloading QuizRadar-v5.15.1.apk: tap Download anyway. When opening the installer, tap Settings and switch on Allow from this source to complete the install.

Linux AppImage & Deb

Make the AppImage executable: chmod +x QuizRadar_5.15.1_amd64.AppImage && ./QuizRadar_5.15.1_amd64.AppImage. On Debian or Ubuntu, install with sudo dpkg -i QuizRadar_5.15.1_amd64.deb.

Verify your installer checksum

Compare your downloaded artifact’s SHA-256 hash against SHA256SUMS.txt.

Windows PowerShell 
Get-FileHash .\QuizRadar_5.15.1_x64-setup.exe -Algorithm SHA256
macOS / Linux 
sha256sum --ignore-missing -c SHA256SUMS.txt