To get started with competitive Pokémon battles, all you need is your phone. But to compete at the highest level, like at the Pokémon World Championships, you're going to need a Switch. And there doesn't seem to be a good reason why.
Battle simulator Pokémon Champions originally launched on the Switch and Switch 2 in April, with the mobile version following in June. The experience is nearly identical across the game's versions; since it's cross-platform, the choice really comes down to what devices you own and whether you prefer tapping or using a controller. I find myself playing Champions on my phone more often just because it's always in …