The new standalone app will be based on Instagram and integrate with ActivityPub, the decentralized social media protocol. That will theoretically allow users of the new app to take their accounts and followers with them to other apps that support ActivityPub, including Mastodon.

This is what Instagram’s upcoming Twitter competitor looks like

Resolves YES if any app (iOS or Android) by Meta (or siblings like Instagram) allows to interact (e.g. reply to or favorite their toots) with users on 

Resolves NO if no such app appears. Also NO if the app allows no real interaction, like read-only following.

Update clarification: It is not relevant how the Fediverse reacts here. Threads getting blocked/banned does not mean this resolves NO.