What is Tweetings Sync? Simply put, Tweetings Sync, when enabled automatically keeps unread tweets on your main timelines in sync between any platform or device you have Tweetings installed on.  From iPhone to iPad to Chrome to Mac, you never have to read the same tweet twice! What Devices is Tweetings Sync Available On? Tweetings Sync is available on the following platforms and versions iPhone version 3.6.3 and higher iPad version 2.6.4...