An influencer is one made-up person, created on all three apps at once. Three of them live on this phone. Tap one to see her.
Influencer 1 is one made-up person living on three apps. All three of her logins get warmed in the same sitting, one straight after the other — TikTok, then Instagram, then Shorts. Three influencers × three apps = nine logins, all on this one phone.