Originally Posted by kilikini
Unfortunately, I can't compare them because BlueFire Reader just freezes my jailbroken devices.
Take a look at post #504 in this thread: https://www.mobileread.com/forums/sho...er#post1477935
It's a workaround and there's more about it in the thread, but essentially, you load the tweak Backgrounder
(from Cydia), follow the directions in the post and the freezing problem is fixed.