I can't seem to find Harmonic in the iOS App Store, is it Android-only? Also, HN apps tend to make it harder to send interesting things to Roam or the laptop o

I can't seem to find Harmonic in the iOS App Store, is it Android-only? Also, HN apps tend to make it harder to send interesting things to Roam or the laptop or Safari's reading list, the website makes that really convenient.