Default Wolfram alpha apps comparison

Hello everyone,
I wonder if anyone has any ideas about the differences between the original Wolfram alpha app and the different "course assistant" apps?
To me it seems that any calculations possible in the "course assistant" app are possible in the original app...

I've sent wolfram a msg about it too, still waiting for a reply.

Thanks.

Sent from my XT1032 using XDA Free mobile app