A Google user
★★★★★
"Good for a curious person"
A Google user
★★★★
"Went with a 4 stars because I just started reading the content"
Version: 7.1.2
A Google user
★★
"Still cannot be used offline as utility for downloading images (and equations!) simply does not work! Latest bug fix has not helped.I would rate this app at 5 stars if it actually worked the way it is supposed to. Will this be fixed in the foreseeable future?"
Version: 7.2.1
A Google user
★★★★★
"This is much knowledgeable"
Nan Jay Hassan
★★★★★
"Niiiiiicccccceeeeee"
Version: 80.91.30
A Google user
★★★★★
"Perfect source to know all about astronomy"
Version: 7.2.1
A Google user
★★★★★
"Best app for explaining general relativity to someone who is just getting
into the field."
Version: 7.2.3
A Google user
★★★★★
"Lots of interesting information, clear presentation. I wish for more apps on this level."
Version: 7.0.9
A Google user
★
"Its not letting me open the app it keeps closing down"
A Google user
★★★★★
"Nice for knowledge. But, it sometimes does unwanted things."
Version: 7.2.1
A Google user
★★★★★
"One of the best physics related books I`ve ever seen"
Version: 7.1.0
A Google user
★★★★★
"Warning Don`t rate 1 star Awesome app for those who love physics only one thing is not good the annoying ads please remove them and then see the rating of your app definitely everyone will give 5 stars to your app...!!!"
Version: 7.1.2