Spreeder is primarily an e-reader app with some guided speed reading training. It’s ideal if you want to load in e-books, websites, and other material and read it all quickly.
Whereas 7 Speed Reading EX is more about teaching you to speed read. It contains video courses where speed reading experts teach you about all the different aspects of speed reading. it also contains different courses and activities for training different aspects of Speed Reading.
When you purchase 7 Speed Reading, you get Spreeder CX for free.