Neither of these projects have a valid use-case. They are meme-coins. Speculative gambling at best.
I’d be lying if I said I never owned any. And they probably won’t be around in the next 10 years.
Both are really meme coins, but I think SHIB is more better than Dogecoin in my own view only. Although, Dogecoin was one of the pioneering altcoins here in crypto space,