In-App Browser Escape Lab

Best-effort external-browser escape testing for common iOS and Android in-app browsers. If an app blocks the automatic method, this page detects that and exposes explicit fallbacks.

Environment

OS—

Container—

In-app browser—

Primary strategy—

No third-party JS

Preset destinations

Custom URL

Escape fallback

This appears automatically if an attempted custom-scheme escape does not cause the page to leave the foreground.

Last action

No test yet.

Diagnostics