Open Waitlist like an app — full screen, one tap, with a passkey. No app store.
In Safari, tap Share — on some iPhones it's under the menu first
Scroll down, tap Add to Home Screen
Open Waitlist from your new icon
Tap the ⋮ menu in Chrome
Tap Install app
Open Waitlist from your new icon
No app store, no password. Your passkey stays on your device.