seems to only give 8-10 questions on loop

To anyone who wants a comprehensive option starter (there is so much bad financial education content on the web), I'd recommend:

https://zerodha.com/varsity/module/option-theory/

https://zerodha.com/varsity/module/option-strategies/

In general there is lot of theory, but there is not app that can help you practice with real data and guide you. This app tries to do that.

This is good source. I relied on Robinhood docs, and Options Play book.

Yes. But the data will change based on stock symbol.