3 ms·It is incredibly smooth on Nexus 4. Bummer to hear it didn't work so well on iPhoneby petarb 12y agoIt is incredibly smooth on Nexus 4. Bummer to hear it didn't work so well on iPhonedonut2d 12y agoSeems to be working very smoothly on my iPhone 5 with iOS 7.1.1.cmelbye 12y agoIt's working perfectly on iPhone as well.