I'm so disappointed. Went trough a lot of trouble to be able to download this app because I was interested the Doppler effect experiment only to find out you have to pay for that one :(
Helpful to my subject Amzing science!!
Fantastic This is one of the best science apps I've ever installed. It has boosted my brain greatly and is a great source of knowledge.
Rubbish Hated it. Not much use
Don't get me wrong I love science but that was short and plus it only had two science experiences