Klaberyass

First, put it on your Home Screen

1. Tap the Share button in Safari (top right on iPad, or the ••• button if that's what you see).
2. If a menu opens with Share in it, tap Share again.
3. Scroll down and tap Add to Home Screen, then Add.
4. Open Klaberyass from your Home Screen and type your name and the passcode there.

Unlock here in Safari instead

First, put it in your Dock

1. In Safari's menu bar at the top of the screen, click File, then Add to Dock…
2. Click Add.
3. Open Klaberyass from the Dock and type your name and the passcode there.

Needs macOS Sonoma or newer. No Add to Dock? Unlock here in the browser instead

Unlock Klaberyass