ReblogBook is your good partner if you use Tumblr as reading and rebloging with iOS device.
Using ReblogBook, You can...
-watch your dashboard like reading book.
-show infinite number posts of your dashboard.
-security lock.
-display is changed to lock image quickly. (the "boss coming!" function)
But you can "not" ...
-edit or add comment when rebloging the post
-create new post