If you have a business account that is obviously public, you can view page insights, which tells you how many visitors your account has got in the past day or week, including the country of origin, but there is no part of the insights which talk about who has viewed the profile.
Then what about third-party apps on the App Store?
Yes, there are many apps on the Play Store and App Store, which commit to providing information on who visited your profile, but in reality, it is not true. There is no app on the ecosystem which can give you information on who has viewed your profile, and if the app is putting forward such claims, it’s just clickbait.
