I’m lisdexamfetamine (Vyvanse, but more recently switched to the generic version of it) and my son is on methylphenidate (Concerta). So I occasionally take Concerta just out of curiosity and because I’ve been contemplating switching to Concerta myself. For me, both feel very similar and I wouldn’t be able to know which one I took if I was given one at random. The effects from other factors such as sleep, diet, etc. are more significant than the kind of med I’m taking.