Non-Apple app blocked when should be allowed

Turn off App Limits from Apple ScreenTime - The phone will default to any existing Apple Screen Time limits and not let Brick work.
Settings > Screen Time > App Limits > Toggle off App Limits

Turn off App Limits from other screen time apps - Turn off any other active screen time app sessions. Brick tries to play nicely with others, but Screen Time can sometimes get confused if multiple systems run. You can turn off within apps, or remove with the instructions below.
Settings > Screen Time > Apps with Screen Time Access > Toggle Off Other Apps

Search for App in App Picker to confirm selection - Sometimes other apps and categories can interrupt app selections from saving. Search for the app having trouble in the App Picker to ensure it is clicked correctly.

Add to Always Allowed - Apps in ‘Always Allowed’ can sometimes overrule Brick modes, especially in Allow Mode.
Settings > Screen Time > Always Allowed > Remove apps trying to block

Restart your device

Delete and redownload Brick

Wait ~4 hours - It can take time for settings to activate.