MC is as money-hungry as Roblox.

[Invader]

Things you can do without paid membership on MC - nothing. No games. Just forums. I couldn't even find the games.
Things you can do on Roblox without a paid membership - play games, buy items, forum. Etc.
Plus MC copied Roblox in some ways.
My conclusion; Roblox > MC. If you don't agree and want to flame me, I don't care.