Tweetbot 4 now available for iOS


iPad Support (Universal)
Landscape Support added to iPhone
New Statistics and Activity View
New Column View in Landscape on iPad and the iPhone 6+
Split View Multi-tasking on iPad
More Granular Mute Filter Settings
Quick Reply from Notifications
Safari View Controller with Support for Content Blockers
Improved User Profiles
Optimized Status Detail
Refreshed User Interface
Many Optimizations Under the Hood

I just downloaded and kicking the tires. I big fan of Tweetbot for both iOS and OS X.