- 31 #1's on iTunes thus making it the most amount of #1's for a collab song surpassing "Kiss and Make Up" by Dua Lipa and BLACKPINK which had 30 #1's. (Source)
- 38 #1's on iTunes thus making the most amount of #1's for a girl group song in 2020 surpassing "Break Up Song" by Little Mix which had 34 #1's. (Source)
- 42 #1's on iTunes thus making it the most amount of #1's for a K-Pop girl group song surpassing "Kill this Love" by BLACKPINK which had 40 #1's. (Source)
- 46 #1's on iTunes thus making it the third girl group song to do so with the first and second being "Worth It" and "Work From Home" by Fifth Harmony. (Source)
- Not iTunes related, but Sour Candy has reached #1 on MelOn Pop Hot Track.
- Also not iTunes related, but BLACKPINK has gained 163 spots on the Global Digital Artist Ranking and is now at #12.
200528 “Sour Candy” has now reached 34 #1’s on iTunes, thus making it the song with the most #1’s on iTunes for a girl group in 2020 and artist collaboration/feature