What app do I use to enter the metaverse?

I'm curious, could you please guide me on which application I should utilize to gain access to the exhilarating world of the metaverse? With the growing popularity of this digital realm, I'm eager to explore its endless possibilities but am unsure about the specific platform to embark on this journey. Could you provide some insights or recommendations, perhaps highlighting a few popular options that are not only user-friendly but also reliable for navigating the metaverse?