Why doesn't my story look exactly the same on the various messaging platforms as it looks in the Sequel tool Simulator?

The Sequel Tool's simulator was initially designed to support the stand-alone Sequel App (which it still does.) The different Messenger platforms all handle displaying messages slightly differently. Also, how the story actually ends up looking kinda depends on your phone (size and model). Currently, the Sequel Simulator is not an accurate emulator for Kik, Telegram or FB Messenger, but it will aid you in seeing how things flow.