Hey, thanks for the feedback!
So the issue here is technical and mainly related to iOS/Apple devices.
We're trying to merge the sign in process between the app and the forum so that users don't have to sign into the forum separately when connecting via the app. We noticed that not doing this caused quite a bit of confusion and was really unintuitive, so we've held back from including the community section from the app until we sort it out.
Hope that makes sense and thanks again :)