No wireless. Less space than a nomad. Lame.
A few months ago I did the "Introduction to functional programming" MOOC on edX. At first I thought that I would hate watching videos. But what worked for me was:
After a while it became even fun and relaxing to watch the videos
"* with perhaps the exception of the co-pilot"
Judging is so easy from a chair behind a computer....
on iOS you can only use the bundled one and nothing else.
It's a little less simple than that. On iOS you have to use Apple's browser engine. You are free[1] to wrap your own user interface around it, like for example Google's Chrome does. As a user I don't care much about the browser engine; it's like whining that mobile phones use USB to charge.
[1] free as in what Apple allows in its app store
I've noticed several design suggestions in your code.