The existing Whitenoise app you have installed probably the one that was just deprecated:

GitHub

GitHub - marmot-protocol/whitenoise-archive: ARCHIVED: This was the original White Noise Flutter app

ARCHIVED: This was the original White Noise Flutter app - marmot-protocol/whitenoise-archive

They're making a new one

GitHub

GitHub - marmot-protocol/whitenoise: The White Noise Flutter App

The White Noise Flutter App. Contribute to marmot-protocol/whitenoise development by creating an account on GitHub.

but haven't released it yet I doubt Pika interops with the old one but expect it to with the new one once it is released.