Shawn Blanc on Twitterrific 5:
And alas, for me, some of the “missing” elements in Twitterrific are deal breakers. Despite how fast and gorgeous Twitterrific 5 is, I do not want to give up push notifications, mute filters, or the mobilizer web toggle. These 3 features of Tweetbot are so important to how I use Twitter that I won’t be switching to Twitterrific as my one and only Twitter client.
There are no filters or push notifications (push notifications are on the roadmap, though).
It’s a different kind of Twitter client, for sure; my biggest annoyance is not being able to start a new direct message from the direct message view itself (you have to navigate to the person’s profile page).