Can I learn full HTML without having the pro version of this app?

Answer 1

Shimul Yes you can learn 1 code repo is free other you need PRO version but you can learn lessons.

Also about Try it Yourself feature

https://www.sololearn.com/post/1263732/?ref=app

Answer 2

Also you have playground where you can test code how much you want

Answer 3

Try Mimo App