First question, what's your goal? Learn how to buy and trade stocks, ok. Why? Just 'cause? Apps make it too easy to do that. What's your risk appetite? Are you a long term investor? Day trader? Swing trader? Honestly, would say that investing thread is your best bet. Lots of resources there. For long term investing, I would check r/Bogleheads on reddit. It's not sexy or flashy, but it's consistent.
OR
You could always paper trade. Pick some companies that you use on a day-to-day basis. Faux trade em. Follow them, see what news moves them up/down. Allows you to get your feet wet without losing (or gaining) any money.