I would have to google Sam Harris, so I think I got no problem here. But the app is with in-app purchases, too. Are there no good meditation apps without that?

Sam spent like 10 years in meditation studies before ever returning to college, but also dabbles in political debates (mostly to the left) so there ya go.

In-app purchases? Mmm I thought you subscribed monthly and then it's all unlocked. I can share a free month to anyone so e-mail me (see my bio / description.) Worth the try.