"Switch" was written by Azalea with Anton Hård af Segerstad, Akil King, Christopher Martin, Georgia Ku, Kyle Owens and Maurice "Verse" Simmonds.

In the cover art, she is "staring into the camera while wearing a one-piece maroon bathing suit," as described by Billboard's Gil Kaufman.

[10] However, she needed a female singer to sing its chorus and spent months trying to find a fitting voice, claiming she wanted to think outside the box.

[11] In a radio interview with Zach Sang, Azalea discussed the track, adding: "I couldn’t think of who should sing on this song with me because I just really wanted to bring another female energy.

"[12] "Switch" was written by Azalea, Anton Hård af Segerstad, Akil King, Christopher Martin, Georgia Ku, Kyle Owens and Maurice "Verse" Simmonds.

"[12] In its bridge, as noted by Entertainment Weekly's Joey Nolfi, "Azalea seemingly references her separation from former fiancé Nick Young, rapping, 'He don’t love you, that ring ain’t big enough.

'"[15] Mike Wass of Idolator called it a "feel-good anthem," adding that "Switch" "has a massive chorus, bone-rattling beats and endlessly quotable lyrics.

"[14] Lindsey India of XXL wrote that the song "could easily become a pop party anthem this summer,"[15] while Melody Chiu of People named it "powerful".

[17] In the music video, Azalea and her team of dancers remake an empty pool and use it as their matching red, yellow and green backdrop.