During the Apex Legends segment of EA's live stream EA Play on June 18, developer Respawn Entertainment revealed that it's bringing the free-to-play battle royale game to Nintendo Switch. You'll be able to experience it on Nintendo's handheld console in fall 2020, but the exact date hasn't been released. For the curious, fall 2020 will likely mean the release date is in September or October.
The announcement of Apex Legends having a cross-play feature also came out at the same time, and it will arrive in fall 2020. The two dates and timing of the announcements likely suggest they're coming at the same time. It's incredibly likely that when Switch gamers get access to the game, they'll also have the ability to play with many of their friends across all platforms.
With Apex Legends being a free-to-play game, it will work the same way Fortnite on the Switch works where you won't have to purchase Nintendo's subscription service to access multiplayer features. Traditionally, if you want to play an online game through a Switch, you must have a Nintendo Online membership. While there hasn't been an official announcement of this choice, it's an extremely likely possibility given Nintendo's history of running free-to-play games on its platform.