Install 3ball.app on iOS, Android, Windows, macOS — Free PWA

3ball.app is a Progressive Web App (PWA). Install it from your browser in under 30 seconds — no app store, no account, no permissions. Works fully offline after first load.

Why install?

• Offline practice — drills and physics work with no internet.
• Full-screen launch — no browser chrome, more table room.
• Home screen icon — open with one tap like a native app.
• Auto updates — service worker keeps the app fresh in the background.
• Tiny footprint — total size ≈ 1.2 MB, works on any 2018+ device.

iOS — iPhone & iPad (Safari)

1. Open 3ball.app in Safari (Chrome on iOS does not support install).
2. Tap the Share button (square with arrow) at the bottom.
3. Scroll down and tap Add to Home Screen.
4. Tap Add in the top-right.

The app icon appears on your home screen. Open it like any native app — it launches full-screen.

Android — Chrome / Edge / Brave

1. Open 3ball.app in Chrome (or Edge/Brave/Samsung Internet).
2. Tap the ⋮ menu in the top-right.
3. Tap Install app or Add to Home screen.
4. Confirm the install prompt.

An "Install" banner may appear automatically — tap it to skip the menu.

Windows — Edge or Chrome

1. Open 3ball.app in Edge or Chrome.
2. Click the install icon (computer with down arrow) on the right side of the address bar.
3. Click Install.

The app installs as a standalone window with its own icon in the Start menu.

macOS — Safari 17+ or Chrome

1. Open 3ball.app in Safari 17+ (macOS Sonoma or later).
2. Click File → Add to Dock in the top menu.
3. Or in Chrome: click the install icon in the address bar.

System requirements

• Storage: ~5 MB (HTML/JS/fonts) + ~3 MB cache.
• OS: iOS 14+, Android 8+, Windows 10+, macOS Sonoma 14+.
• WebGL2 required — any 2018+ device qualifies.
• Network: needed for first load only; runs offline afterwards.

Privacy & permissions

3ball.app requests no permissions. No microphone, no camera, no contacts, no location. Local progress and feedback are stored in localStorage and never leave your device unless you submit feedback. See our Legal page for the full privacy policy.

Uninstall

Long-press the icon and choose Remove (mobile), or right-click the Start menu / Dock icon and choose Uninstall (desktop). All cached data is removed.