There was no immediate comment from Apple, which has faced various allegations of antitrust violations in recent years.
A federal judge recently found that Apple violated a court injunction in an antitrust case filed by Fortnite maker Epic Games.
Regulators of the 27-nation European Union fined Apple 500 million euros in April for breaking competition rules by preventing app makers from pointing users to cheaper options outside its App Store.
Last year, the EU fined the U.S. tech giant nearly $2 billion for unfairly favoring its own music streaming service by forbidding rivals like Spotify from telling users how they could pay for cheaper subscriptions outside of iPhone apps.
As of early Tuesday, the top app in Apple’s App Store was TikTok, followed by Tinder, Duolingo, YouTube and Bumble. Open AI’s ChatGPT was ranked 7th.